Interface: type-C male Reader: SD + TF version 2.0 USB:3.0 x 1+2.0 x 1 : 4K 30hz Line length: 12.5cm Power supply: 87W Unit gross weight: 1518g size:11.1 x 2.8 x 1.1cm Material:ABS colour:gray Package Contents: 2 x 6 in 1 docking station Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 1. The 6in1 expansion dock adopts ABS shell to accelerate heat dissipation and stable performance 2. PD charging port: charging while playing without power loss, supports 87W fast charging 4. interface, watching 4K HD TV, interface supports 3840 x 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. 3. Support SD, TF3.0 card slots, dual cards can be read at the same time