Mô tả sản phẩm: USB Hub UGreen chiều dài 1m 1. Add 4 USB 3.0 ports to your PC; 2. Backward Compatible to USB 2.0 and USB 1.1; 3. Transfer rates of up to 5Gbps- 10X faster than USB 2.0; 4. Plug-and-Play, hot-swap compliant. 30CM is best length for notebook. 80CM is best for desktop PC to extend the back USB port in your case to your desk.