This high-speed USB 3.0 adapter with 10 ports allowing for connection of up to 10 external USB devices for accessing or charging. Package included:1 x 10 Ports USB HUB1 x power adapter(A free adapter will be seand according to your country) Features:1. 10 ports high speed USB 3.0 hub, up to 5 Gbps2. Plug and play, not need any driver3. Fully compliant with USB 1.0/1.1/2.0/3.04. Built-in current protection device5. Power supply by USB 3.0 cable, each interface maximum available current for 900mA6. With on/off switch7. Ideal if you need extra port to connect additional USB devices, it supports multiple devices, including scanners, printers, digital cameras, camcorders, speakers, mice, keyboards, external drives, MP3 players and more! Specifications:1.Color:   ​Black2.Dimensions:   178*42*24.5mm2.2 Cable length:   1M3.Power Adapter input: 110v ~ 240v, 50/60Hz 4.Output: 5V DC 500mAh5.System requirements: Windows Win95/98/Me/2000XP/Vista/7/8/10, Linux2.4 and Mac os8.5 and above.