1、Made of aluminum alloy, it is sturdy and durable. Plug and play, easy to use. 2、Scalable HDMI (60HZ) + USB0 x 2 + PD fast charge + Type-c. 3、HDMI 4K x 2K (3840 x 2160), backward compatible with 1080P, 720P, etc. 4、USB0 5GB/S high-speed transmission, the maximum power supply is 5W. 5、PD fast charge, 20V / 3A, supports up to 87W power adapter (input). 6、High-speed type-c interface, maximum power supply 5W. 7、Suitable for MacBook 2018/2017/2016, for MacBook Pro 2018/2017, for iPad Pro 2018, for NINTENDO SWITCH, for Chromebook, for HUAWEI mate 20/mate 20 pro, for Samsung S8/S9/Note8/Note 9, for HP Spectre/Pavilion, for Huawei Matebook, for Dell XPS series, for Mi Air. Docking Station x 1 Interface Type: HDMI (60HZ) + USB 3.0 x 2 + PD Fast Charge + Type-CHDMi Resolution: 3840 x 2160USB 3.0 Transfer Rate: 5GB / SApplicable Models: Suitable for MacBook 2018/2017/2016, for Mac Book Pro 2018/2017, for iPad Pro 2018, for NINTENDO SWITCH, for Chromebook, for HUAWEI mate 20/mate 20 pro, for Samsung S8/S9/Note8/Note 9, for HP Spectre/Pavilion, for Huawei Matebook, for Dell XPS series, for Mi Air