USB Hub 480Mbps High Speed Multiple USB 2.0 Power Cable Cord Expander 4/7 Port Adapter Splitter with Switch for Phone Tablet Feature: 1. USB2.0 chip: Real high-speed chip. 2. Built-in current overload short-circuit protection device. 3. Using excellent electronic devices to ensure stable operation. 4. The computer automatically recognizes and installs, without driver, plug and play. 5. (Hi-speed) USB2.0 interface, the theoretical maximum speed can reach 480Mbps, and is backward compatible with USB 1.1/1.0 standard specifications. 6. Current protection function: Support overload voltage and instantaneous current protection function, safe and convenient to use. Specification: USB: USB 2.0 Interface: 4 port USB/7 port USB Operating humidity: 10%-90% Working voltage: 5V Working current: 500mA Working temperature: -20℃ - 75℃ Storage temperature: -40℃ - 85℃ Support: for Windows95/98/ME/2000/XP/Vista, MAC 8.6 or later Color: Black, White Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow slightly measuring deviation due to manual measurement. Included: 1 X USB Hub 1. USB2.0 chip: Real high-speed chip. 2. Built-in current overload short-circuit protection device. 3. Using excellent electronic devices to ensure stable operation. 4. The computer automatically recognizes and installs, without driver, plug and play. 5. (Hi-speed) USB2.0 interface, the theoretical maximum speed can reach 480Mbps, and is backward compatible with USB 1.1/1.0 standard specifications.