2 in 1 function, supports both HDMI connecting and charging. Plug and play ready, easy set up. 6ft / 2m 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(Tested): Note:please make sure that your mobile phone have MHL function first Mobile Phone: Samsung Galaxy S9 / S9+ Samsung Galaxy S8 / S8+ Samsung Galaxy Note8 Huawei Mate 10 / Mate 10 Pro / P20 / P20 Pro. HTC Ultra / HTC 10. LG G5 / LG V30. Microsoft 950 / Microsoft 950XL. Notebook: Apple MacBook 2017、 MacBook 2016、MacBook Pro、MacBook 12"(2015). Google Chrome Book Pixels/Pixel Book Pen. Dell XPS13/XPS15 Huawei MateBook、MateBook X、MateBook E. XiaoMi Air 12.5/13.3"、Pro 15.6". Samsung NoteBook Series,Galaxy Book Series,Galaxy Tab S3 Series. Specific: 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