Please note :you need to open your settings - more settings - about the phone - version information, there is a button is "USB debugging", please click open to use this data line.

   2 in 1 function, supports both HDMI connecting and charging
Plug and play ready, easy set up
6 feet of length long enough for most usage needs
Support 4K*2K ultra HD resolution up to 3840x2160@30 Hz, and backwards compatible to 1080P, 720P
Compatible with phone For Samsung Galaxy Note 8/S8/S8+/A7 2017, For LG G6/G5/LG V20,For HTC 10/U Ultra, For MicroSoft Lumia 950/950XL, For Huawei P9 P9 Plus P10 Plus

Length: .6.6FT/ 2m
HDMI Port: Supported Resolutions up to 3840x2160
Type C Port: Reversible Design for Type C connector
USB Port: Support power charging