English
全部
搜索
图片
视频
短视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
时长
全部
短(小于 5 分钟)
中(5-20 分钟)
长(大于 20 分钟)
日期
全部
过去 24 小时
过去一周
过去一个月
去年
清晰度
全部
低于 360p
360p 或更高
480p 或更高
720p 或更高
1080p 或更高
源
全部
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
价格
全部
免费
付费
清除筛选条件
安全搜索:
中等
严格
中等(默认)
关闭
筛选器
购买 android phone comparison 2020
广告
$0.00 now
$23.88/mo x 36
Samsung Galaxy S25 256GB In Mint | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$23.88/mo x 36
Samsung Galaxy S25 256GB In Mint | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$33.88/mo x 36
Samsung Galaxy S25 Edge 512GB In Titanium Silver | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$33.88/mo x 36
Samsung Galaxy S25 Edge 512GB In Titanium Silver | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$1,199.99 now
$50.00/mo x 24
Apple iPhone 17 Pro Max - Cosmic Orange - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,199.99 now
$50.00/mo x 24
Apple iPhone 17 Pro Max - Cosmic Orange - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Black - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Black - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Sky Blue - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Sky Blue - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$899.99 now
$37.50/mo x 24
Samsung Galaxy S26 SI - Cobalt Violet - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$899.99 now
$37.50/mo x 24
Samsung Galaxy S26 SI - Cobalt Violet - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Cobalt Violet - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Cobalt Violet - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,199.99
Apple iPhone 17 Pro Max - Deep Blue - 256GB | T-Mobile For Business (+ Plan)
T-Mobile for Business
1
$1,199.99
Apple iPhone 17 Pro Max - Deep Blue - 256GB | T-Mobile For Business (+ Plan)
T-Mobile for Business
$649.99 now
$27.08/mo x 24
Samsung Galaxy S25 FE SI - Navy - 128GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$649.99 now
$27.08/mo x 24
Samsung Galaxy S25 FE SI - Navy - 128GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$829.99 now
$34.58/mo x 24
Apple iPhone 17 - Lavender - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$829.99 now
$34.58/mo x 24
Apple iPhone 17 - Lavender - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - White - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - White - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$829.99 now
$34.58/mo x 24
Apple iPhone 17 - Sage - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$829.99 now
$34.58/mo x 24
Apple iPhone 17 - Sage - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$0.00 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Blue Shadow | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Blue Shadow | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$649.99 now
$27.08/mo x 24
Samsung Galaxy S25 FE SI - Jetblack - 128GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$649.99 now
$27.08/mo x 24
Samsung Galaxy S25 FE SI - Jetblack - 128GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,099.99 now
$45.83/mo x 24
Samsung Galaxy Z Flip7 SI - Blue Shadow - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,099.99 now
$45.83/mo x 24
Samsung Galaxy Z Flip7 SI - Blue Shadow - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,999.99 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Jetblack | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$1,999.99 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Jetblack | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$1,099.99 now
$45.83/mo x 24
Samsung Galaxy S25 Edge SI - Titanium Jetblack - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,099.99 now
$45.83/mo x 24
Samsung Galaxy S25 Edge SI - Titanium Jetblack - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$0.00 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Silver Shadow | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Silver Shadow | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$649.99
Samsung Galaxy S25 FE SI - Icyblue - 128GB | T-Mobile For Business (+ Plan)
T-Mobile for Business
$649.99
Samsung Galaxy S25 FE SI - Icyblue - 128GB | T-Mobile For Business (+ Plan)
T-Mobile for Business
$899.99
Samsung Galaxy S26 SI - Black - 256GB | T-Mobile For Business (+ Plan)
T-Mobile for Business
$899.99
Samsung Galaxy S26 SI - Black - 256GB | T-Mobile For Business (+ Plan)
T-Mobile for Business
$799.99
Samsung Galaxy S25- Navy - 128GB | T-Mobile For Business (+ Plan)
T-Mobile for Business
$799.99
Samsung Galaxy S25- Navy - 128GB | T-Mobile For Business (+ Plan)
T-Mobile for Business
$0.00 now
$39.44/mo x 36
Samsung Galaxy S25 Ultra 512GB In Titanium Black | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$39.44/mo x 36
Samsung Galaxy S25 Ultra 512GB In Titanium Black | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$36.11/mo x 36
Samsung Galaxy S25 Ultra 256GB In Titanium Whitesilver | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$36.11/mo x 36
Samsung Galaxy S25 Ultra 256GB In Titanium Whitesilver | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$30.55/mo x 36
Samsung Galaxy Z Flip7 256GB In Blue Shadow | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$30.55/mo x 36
Samsung Galaxy Z Flip7 256GB In Blue Shadow | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$30.55/mo x 36
Samsung Galaxy Z Flip7 256GB In Coralred | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$30.55/mo x 36
Samsung Galaxy Z Flip7 256GB In Coralred | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$1,099.99 now
$30.55/mo x 36
Samsung Galaxy S25 Edge 256GB In Titanium Jetblack | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$1,099.99 now
$30.55/mo x 36
Samsung Galaxy S25 Edge 256GB In Titanium Jetblack | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
18:50
YouTube
Mrwhosetheboss
The BEST Smartphone of 2020 🏆
Welcome to the Top 9 Best Smartphones of 2020! For this video I tested over 100 devices from every major global manufacturer, including Samsung, Apple, OnePlus, Xiaomi, Huawei, ASUS, Lenovo, Vivo, OPPO, and more! Subscribe for more content (IT'S FREE) : https://goo.gl/pLg6fE It would make my day if you could also follow me on: 🌈 Instagram ...
已浏览 533.6万 次
2020年11月14日
短视频
1:01
已浏览 54.5万 次
OnePlus vs. Samsung: A Tech Showdown
ryetechh
0:09
已浏览 2898 次
Samsung Galaxy F70e vs OPPO K14x Full Comparison | Battery, Performance &
Tech Simplified
Android Tips and Tricks
4:46
Top 5 Android Tips & Tricks 🔥 | Hidden Features You Must Know (2026)
YouTube
TECH WITH YOU
3 周前
7:32
7 Latest Android Tips and Tricks
YouTube
Wireless solutions
已浏览 38 次
1 个月前
0:26
Change These Android Settings Right Now 2026 #androidtips
YouTube
The Tech Support Hub 247
已浏览 710 次
1 个月前
热门视频
15:07
The ULTIMATE Android Comparison You Need To See
YouTube
Tech Junkies
已浏览 7.5万 次
3 个月之前
12:09
Google Pixel 5 vs 4a 5G vs 4a | All Three 2020 Pixel Phones Compared
YouTube
Tech Spurt
已浏览 41.2万 次
2020年10月13日
12:44
$7 Smartphone vs $7,000 Smartphone.
YouTube
Mrwhosetheboss
已浏览 750.1万 次
2020年7月5日
Android Vs IOS Comparison
9:45
Android vs. iOS: What's the Real Difference?
YouTube
History of Simple Things
已浏览 24.8万 次
5 个月之前
17:54
Android vs iOS in 2025: Things Have Changed!
YouTube
Kyle Erickson
已浏览 17.3万 次
11 个月之前
0:36
✨️ Android vs iOS – Which Is Better in 2025?
YouTube
What is best?
已浏览 744 次
4 个月之前
15:07
The ULTIMATE Android Comparison You Need To See
已浏览 7.5万 次
3 个月之前
YouTube
Tech Junkies
12:09
在视频中查找 00:52
Price Orders and Size Comparison
Google Pixel 5 vs 4a 5G vs 4a | All Three 2020 Pixel Phones Compared
已浏览 41.2万 次
2020年10月13日
YouTube
Tech Spurt
12:44
在视频中查找 04:50
Day Three: iPhone 1 Plus
$7 Smartphone vs $7,000 Smartphone.
已浏览 750.1万 次
2020年7月5日
YouTube
Mrwhosetheboss
6:06
在视频中查找 05:45
Conclusion and More Picks on AndroidCentral.com
Best Android Phones - Winter 2020 📱✨
已浏览 12.6万 次
2020年10月29日
YouTube
Android Central
9:09
在视频中查找 00:29
Size Comparison
Samsung Galaxy S20 vs Plus vs Ultra | Side-by-side comparison
已浏览 9.4万 次
2020年2月11日
YouTube
Tech Spurt
12:35
Can a Cheap 2020 Smartphone beat a 2018 Flagship?
已浏览 579.7万 次
2020年7月1日
YouTube
Mrwhosetheboss
20:51
iOS vs Android 2020!
已浏览 31.5万 次
2020年6月2日
YouTube
Nick Ackerman
6:25
Top Most Powerful Smartphones
已浏览 51.2万 次
4 个月之前
YouTube
Solid Data
20:40
在视频中查找 00:14
Browsing Fake Phones on Wish
I bought the cheapest smartphones on the planet.
已浏览 1287.7万 次
2020年4月19日
YouTube
Mrwhosetheboss
8:10
Evolution of Android OS 1.0 to 11 2020
已浏览 158.4万 次
2020年8月4日
YouTube
BLASTERTECHNOLOGY
7:46
The Best Phones You Should Buy | All Things Mobile
已浏览 1.9万 次
3 个月之前
YouTube
CNET
10:41
5 Best Android Phones You Can Buy Right Now! Don’t Buy Before
…
已浏览 1357 次
1 个月前
YouTube
Tech Scope
9:41
Google Pixel 10 Pro XL vs. Samsung Galaxy S25 Ultra: Which one to get?
已浏览 8.8万 次
4 个月之前
YouTube
GSMArena Official
2:27
Popular Phone Brands: First Ever Model vs Newest Model
已浏览 3万 次
2 个月之前
YouTube
BlackHeartData
10:45
OnePlus 15 Vs. Pixel 10 Pro XL disagrees with the internet.
已浏览 3.1万 次
3 个月之前
YouTube
Android Police
0:58
I phone vs Android 😱 which one is better
已浏览 1049 次
1 个月前
YouTube
INFO CAPSULE 💊
1:05
What Is The Best Samsung A Series Phone? | Samsung UK
已浏览 2169 次
3 个月之前
samsung.com
12:11
What’s Used Most in Each Country | iPhone vs Android
已浏览 524 次
4 周前
YouTube
THE MOST
10:07
Pixel 10 Pro XL Vs. Galaxy S25 Ultra isn't like before.
已浏览 6.9万 次
6 个月之前
YouTube
Android Police
8:17
Samsung Galaxy S25 vs Google Pixel 9: Which one to get?
已浏览 12.9万 次
10 个月之前
YouTube
GSMArena Official
7:18
Google Pixel 9a vs. OnePlus 13s Full Comparison: Which is the Best S
…
已浏览 5.1万 次
10 个月之前
YouTube
Jagran HiTech - Auto & Personal Tech
43:49
Reviewing EVERY Samsung Galaxy S Ever!
已浏览 877.3万 次
2024年3月2日
YouTube
Marques Brownlee
9:34
Buy these phones instead.
已浏览 21.1万 次
4 个月之前
YouTube
Ryan-Thomas
8:58
I Tried Apple vs Android For 24 Hours
已浏览 20万 次
4 个月之前
YouTube
SarahGrace
15:46
Google Pixel 9 Pro XL vs. S25 Ultra - Which is Better?
已浏览 39万 次
2025年4月4日
YouTube
6 Months Later
12:09
Everyone is wrong. THIS is the best phone of 2025!
已浏览 8.5万 次
4 个月之前
YouTube
Android Authority
19:31
在视频中查找 01:09
Price Comparison
Samsung's Cheapest vs. Most Expensive Smartphone Compared!
已浏览 84.8万 次
2024年2月18日
YouTube
TechDaily
13:34
在视频中查找 07:25
Camera Comparison
Galaxy A15 5G vs Galaxy A25 5G vs Galaxy A35 5G | Which budget Sa
…
已浏览 11.9万 次
2024年6月14日
YouTube
Android Authority
3:50
Evolution of The Mobile Phones | Comparison
已浏览 1.9万 次
2022年7月8日
YouTube
Forceman Evolution
观看更多视频
更多类似内容
购买 android phone comparison 2020
广告
$0.00 now
$23.88/mo x 36
Samsung Galaxy S25 256GB In Mint | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$23.88/mo x 36
Samsung Galaxy S25 256GB In Mint | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$33.88/mo x 36
Samsung Galaxy S25 Edge 512GB In Titanium Silver | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$33.88/mo x 36
Samsung Galaxy S25 Edge 512GB In Titanium Silver | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$1,199.99 now
$50.00/mo x 24
Apple iPhone 17 Pro Max - Cosmic Orange - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,199.99 now
$50.00/mo x 24
Apple iPhone 17 Pro Max - Cosmic Orange - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Black - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Black - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Sky Blue - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Sky Blue - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$899.99 now
$37.50/mo x 24
Samsung Galaxy S26 SI - Cobalt Violet - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$899.99 now
$37.50/mo x 24
Samsung Galaxy S26 SI - Cobalt Violet - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Cobalt Violet - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - Cobalt Violet - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,199.99
Apple iPhone 17 Pro Max - Deep Blue - 256GB | T-Mobile For Business (+ Plan)
T-Mobile for Business
1
$1,199.99
Apple iPhone 17 Pro Max - Deep Blue - 256GB | T-Mobile For Business (+ Plan)
T-Mobile for Business
$649.99 now
$27.08/mo x 24
Samsung Galaxy S25 FE SI - Navy - 128GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$649.99 now
$27.08/mo x 24
Samsung Galaxy S25 FE SI - Navy - 128GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$829.99 now
$34.58/mo x 24
Apple iPhone 17 - Lavender - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$829.99 now
$34.58/mo x 24
Apple iPhone 17 - Lavender - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - White - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,299.99 now
$54.17/mo x 24
Samsung Galaxy S26 Ultra SI - White - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$829.99 now
$34.58/mo x 24
Apple iPhone 17 - Sage - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$829.99 now
$34.58/mo x 24
Apple iPhone 17 - Sage - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$0.00 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Blue Shadow | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Blue Shadow | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$649.99 now
$27.08/mo x 24
Samsung Galaxy S25 FE SI - Jetblack - 128GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$649.99 now
$27.08/mo x 24
Samsung Galaxy S25 FE SI - Jetblack - 128GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,099.99 now
$45.83/mo x 24
Samsung Galaxy Z Flip7 SI - Blue Shadow - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,099.99 now
$45.83/mo x 24
Samsung Galaxy Z Flip7 SI - Blue Shadow - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,999.99 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Jetblack | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$1,999.99 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Jetblack | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$1,099.99 now
$45.83/mo x 24
Samsung Galaxy S25 Edge SI - Titanium Jetblack - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$1,099.99 now
$45.83/mo x 24
Samsung Galaxy S25 Edge SI - Titanium Jetblack - 256GB | T-Mobile For Business (24 Monthly Installment Payments + Plan)
T-Mobile for Business
$0.00 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Silver Shadow | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
$0.00 now
$55.55/mo x 36
Samsung Galaxy Z Fold7 256GB In Silver Shadow | Verizon (With 36 Monthly Installment Payments + Plan)
Verizon Wireless
反馈