1、Adopt aluminum alloy material, the docking station is sturdy and durable. 2、Extended 7 ports: HDMI (60HZ) + USB0 x 2 + PD fast charge + type-c + TF card + Secure Digital Memory Card. 3、HDMI: 4K x 2K (3840 x 2160), backward compatible with 1080P 720P, etc. 4、USB0: High-speed USB0 transmission 5GB/S, maximum power supply 5W. 5、PD fast charge: 20V / 3A, support up to 87W power adapter (input). 6、Type-c: High-speed type-c interface, maximum power supply 5W. 7、Secure Digital Memory Card / TF card reader: Secure Digital Memory Card and TF card can work simultaneously. 8、Suitable for MacBook 2018/2017/2016, for Mac Book Pro 2018/2017, for iPad Pro2018, 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. Hub x 1 Interface Type: HDMI (60HZ) + USB 3.0 x 2 + PD Fast Charge + Type-C + TF Card + Secure Digital Memory CardHDMi Resolution: 3840 x 2160USB 3.0 Transfer Rate: 5GB / SApplicable Model: Suitable for MacBook 2018/2017/2016, for Mac Book Pro 2018/2017, for iPad Pro2018, 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.