1. The 6in1 expansion dock adopts ABS shell to accelerate heat dissipation and stable performance 2. charging port: charging while playing without power loss, supports 87W fast charging 3. Support SD, TF3.0 card slots, dual cards can be read at the same time 4. interface, watching 4K HD TV, interface supports 3840*2160/30Hz resolution to give you a cinemalike experience 5. Small size and portable, easy to travel, easy to put in a briefcase, no burden on you. Interface: type-C male Reader: SD + TF version 2.0 USB:3.0*1+2.0*1 : 4K 30hz length: 12.5cm Power supply: 87W Unit gross weight: 759g size:11.1 x 2.8 x 1.1cm Material:ABS colour:gray Package Contents: 1 x 6 in 1 docking station Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.