1. The 11 in1 expansion dock adopts ABS shell to accelerate heat dissipation and stable percompatible withmance 2. PD 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. HDMI interface, watching 4K HD TV, HDMI 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 Specifications: Interface TYPE-C maleCable length 12.5CM USB3.0*1+USB2.0*3USB3.0 transfer rate 5.0Gbps (640MB/s)USB2.0 transfer rate 480Mbps (that is, 60MB/s)PD 87WNetwork card RJ45 100M (8152)SD/TF supports TF/PD reading Main control chip Ange 9311HDMI resolution 4K 30hz Applicable computers Support all TYPE-C channel computers Colour: gray Material: ABS Size: 11.9 x 5.6 x 1.7CM Package Contents:1 x 11 in 1 docking stationOnly the above package content, other products are not included. Note: Light shooting 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.