Transmission distance of 20 meters
2. Transfer rate / s
3. In line with USB2.0 standard, backward compatible
4. Supports high-speed, full-speed and low-speed devices, plug and play, no software drivers
5. Supports Windows 98 / ME / 2000 / XP / Vista / 7, MAC and other systems
6. USB2.0 supports all standard equipment: camera, mouse, keyboard, card reader, U disk, USB barcode scanners, and other digital devices
7. Common USB devices can be used directly without power
8. High-power devices to be connected to the power supply using