F eatures: USB3.0 chip, real high speed chip. (High-speed) USB3.0 interface - The theoretical maximum speed can reach 5GB/S, and is backward compatible with USB 2.0/1.1 standard specifications. Equipped with 7 sets of USB jacks with hot plug function. Current protection function - Support overload voltage and instantaneous current protection function, safe and convenient to use. Computer automatic identification installation - No driv ers, just plug and play. S pecification: Working humidity: 10%-90% Working voltage: 5V Operating current: 500mA Working temperature: - 20 ℃ to 75 ℃ Storage temperature: - 40 ℃ to 85 ℃ Support: for Windows 95/98 / ME / 2000 / XP / Vista / Mac 8.6 or higher Package size: approx. 23.5 * 13.5 * 2 cm / 9.3 * 5.3 * 0.8 inch P ackage List: 1 * 7-port Hub Note: This product is a USB hub, which is used for computer USB port expansion, and cannot be used as a charger. .