Aukey PRO Socket USB Port Hub Adapter Cable for PC Computer

Note: Please be kindly noted that if you charge several devices at the same time, it could work slower than normal because the output voltage is rated. 100% new brand and high quality Ideal USB expansion for portable use on the road or at home No driver installation required(except Windows 95/98 or below) The High-speed USB2.0 interface, theory is the highest rate of up to 480 MBPS, and backwards compatible USB standard 1.1/1.0 4 usb female holes Cable length:appromix.50cm Electric current protection function, support overload voltage and instantaneous electric current protection function,safe and convenient Working humidity: 10% to 90% Working voltage: 5 v Working current: 500 ma Working temperature: - 20 c - 75 c Storage temperature: - 40 c - 85 c