ADS-305A Aluminum Alloy USB to 4-Ports USB3.0 USB HUB Laptop Adapter Docking Station 1. This USB hub is made of high-quality aluminum alloy material, which is durable, lightweight and has good heat dissipation 2. Expand the USB port of your computer or laptop to four USB 3.0 ports, which can connect USB interface devices such as mouse, keyboard, hard disk, USB drive, Bluetooth USB adapter, etc. The data transfer speed is up to 5Gbps, 10 times faster than USB 2.0. It is very suitable for transferring media files 3. The compact design of the USB splitter makes it easy to carry and use, and it is easy to install. Plug and play, no driver required 4. The USB hub can be taken anywhere, especially during business or travel. Solve the problem of insufficient USB port anytime and anywhere, and significantly improve office efficiency 5. The USB hub is a must-have companion for home, office, presentation and entertainment Specifications: 1. Product model: ADS-305A 2. Material: Aluminum alloy 3. Function: 4-port USB 3.0 4. Product size: 10.5x3x1.1cm 5. Cable length: 13cm 6. Product weight: 44g 7. Working temperature: 0 to 50 degree centigrade 8. Storage temperature: -20 to 60 degree centigrade 9. Compatibility system: WIN XP7810, for MAC OS 10.2.8 and above, Linux