1. USB3.0 fast transmission and sufficient power supply: 5Gbps high-speed file transfer, fast reading and copying, saving you time 2. Driver-free plug and play: Compatible with Windows series, OS10.0+, Linux and other systems; no driver required, simply connect and use 3. Supports multiple devices: Allows simultaneous connection of up to 7 USB3.0 devices with thickened copper core support, such as mouse, keyboard, U disk, etc. Includes spare DC5V interface for enhanced power supply 4. Drive-free switch: Plug and play with standard USB3.0 interface supporting 480Mbps transmission speed Model: HUB-1201 Transmission rate: 480Mbps External power supply: Yes Cable length: 30cm Interface: USB 3.0 Color: Black Material: Plastic Size: 171 x 46 x 21mm Package Contents: 1 x 4-Port 3.0 Hub Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to slightly differ from the real thing. Measurement may vary by +/- 1-3cm