Etekcity 10 Port USB 2.0 Hub with Power Adapter, Smart Charging Port, Build in Surge Protector, ON/OFF Switch and LEDs Indicators Supports hot-swap, high-speed USB 2.0 for transfer rates up to 480Mbps Compact design with per-port LEDs for diagnosing connectivity 12 Monthes Warranty; Easy plug-and-play installation. Support Windows XP/Vista/7/8& MAC FE2.1 master chip with high performance and low power consumption: Power supply input: 100~240V 50/60HZ, Power supply output:12V/3A High strength ABS plastic material, exquisite and portable. Operation: 5C~40C; Storage: -20C~70C. Dimension 190(L)*58(W)*28(H)mm.