1. USB 2.0 high speed interface.
2. 4 ports large power capacity version: High speed up to 480Mbps, sufficient power supply, more stable USB 2.0 superspeed HUB.
3. 1 upstream and 4 downstream USB port included. Fully compliant with USB specification version 2.0 hot plug and play USB device.
4. Mini design, easy to carry.
5. Bus-power limit current protection: 500mA. Through the LED indicator, you can easily monitor the connection status. Blue LED for power
6. It is compatible with USB 2.0, 1.1 and 1.0.