This product is a practical 12-in-1 USB 3.0 laptop docking station, which adopts of durable aluminum alloy and glass material, not easy to deform and break, long using time. Suitable for home, study room, office, business trip and some other places use, easy to carry and practical. Features - Color: Black. - Material: Aluminum alloy and glass. - Size: About 14.00X5.80X1.50cm/5.50X2.28X0.59in . - Adoption of great-quality and sturdy aluminum alloy and glass material, durable and safe to use. - Simple and generous look design, stylish and elegant, it can match with your laptop very well. - Multifunctional interface expansion to meet your interface expansion needs. - 5Gbps transmission speed, reaching high-speed transmission, no pressure on transmission. - 12 in 1 docking station to solve interface shortage problem of your laptop. Specification - Transmission rate: 5Gbps. - : Support 4K High Definition Interface . - VGA: high-definition video 1080P. - USB: High-speed USB x 3. - Applicable equipment: output device with USB 3.1 function. - Network port: supports Gigabit network. - PD charging: max87W. - Dual slots: / . Package list: 1 x laptop docking station