【4K@30hz HDMI ULTRA HD VISUAL FEAST】: The USB C to HDMI adapter can steam Ultra HD 4K 30hz/ 2k/1080p/3D videos to your 4k TV / Projector from laptop/phone, making your work more convenient or your family enjoy a better visual feast. (★NOTE: For 4K video, it only supports 30Hz refresh rate and DOES NOT support 60hz refresh rate) 【EXTEND LAPTOP/PHONE TO 3 USB 3.0 PORTS】: This USB C docking station can extend your laptop/phone to 3 USB 3.0 ports with 5Gpbs transfer speed for external hard drive, USB flash drive, mouse, USB headphone, webcam etc.(NOTE: ★1.Charge phone through USB port will only get 1.5A current with a slow charge. NOTE 2: All USB 3.0 ports/hubs on the market may not work well for 2.4Ghz wireless keyboards or mouses. When this is the case, connecting to a USB 2.0 port is recommended.) 【FAST 60W USB C POWER DELIVERY PD CHARGE 】: The USB C port supports 60W Power Delivery PD 2.0 (20V/3.25A, 15V/3A, 9V/2A ,5V/2A )fast charging for your laptop when connecting it with a PD wall adapter. (★ Fast charging is only for laptops but not for phones: S9/S8/Note8, LG G5/G4 etc. Phones only support normal charging)