4K resolution: capable of transmitting digital audio and video signals. Supports resolutions up to 4K2K (38402160) @ 30hz. Backward compatible 1080p. Plug and play: No additional driver/software required. Never worry about poor wireless network broadcast issues. Ideal for travel and presentations with a USB-C to HDMI adapter. The resolution supports 4K x2k @ 30hz (3160x2480) and is compatible with 1080p, 1080i, 720p. Compact and user-friendly design: small and light, with a friendly anti-slip design, easy to plug and play . Flame-retardant plastic, closely compatible with the USB - C port of the device, safe and better protected for signal transmission. Wide compatibility: compatible with latest MacBook Pro 2016/2017, MacBook 2015/2016 , chromebook pixel, Lenovo Yoga 900, yoga3pro, Dell XPS 13 (9350), Dell XPS 15 9550, HP specter x2, HP X360 Samsung Galaxy Note 8/s8/s8 The usb C to HDMI adapter can connect your laptop or mobile phone with USB C port (which supports DP ALT mode) to an HDMI display, TV or projector. You can also enjoy images realistic. Mirror and extended modes are also supported. (Your host device must support this feature.) If you want to display 4K content, please make sure your input and output devices support 4K resolution. Note: Not all USB-C interfaces are compatible and will only work with USB-C 3.1 or Thunderbolt 3 interfaces that support "displayport alternate mode". The Type C to HDMI adapter is only compatible with USB - C 3.1 and Thunderbolt 3 ports. (PS: synchronization may take longer for devices with USB 3.1 Gen 1 and Samsung Galaxy s9/s8) Compatibility list for USB - C DP alt mode Phone (currently full list): LG G5, LG v20, LG v300l HTC u12+, u11+, u11, U ultra, HTC 10 Microsoft Lumia 950/950xl, Alcatel Idol 4S, Samsung Galaxy s10+, s10, S9+, S9, s8+, s8, note 9, note 8 Huawei p30 pro, p30, p20 pro, p20, mate20 pro, mat