If you are looking for a professional and USB data holder hub, then your research is over here. That's because our product can meet your need. Adopted of , it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color: Silver -Material: aluminum alloy -Size: 9.50X5.00X1.70cm/3.73X1.97X0.67in Transmission rate: 480Mbps (card slot) Network rate: self-adaptive 10/100Mbps Video output frequency: 3840x2160 max - Dual ports input, fit nicely to your device, sturdy and not loose. - Comes with multiple interface, meet your different expansion needs. - Small in size and light in weight, very portable, easy to place inside your bag. with 4K TV, small screen becomes , high-definition visual effects, enjoy cinema-level experience. - Dual card slot, solve the problem of notebook card reading without card slot. Package list: 1 x adapter