Product Features: 100% brand new and high quality. 7 USB ports with individual on/off switch and LED power indicator Charges 7 universal USB-powered devices simultaneously including phones, tablets, MP3/MP4 players and etc. Data transfer rate: 1.5Mbps-12Mbps-up to 480Mbps Individual port over-current protection Transfers data from between devices and computers, USB drivers and computers Maximum data transfer rate up to 480 Mbps Fully compliant with USB 2.0 specification and backwards compatible with USB 1.1 3 upstream and 4 downstream USB ports Plug play, no driver installation required Supports up to 500GB 3 ways of powering the product and connecting your devices for charge: 1. Power the product from computer via USB port 2. Power the product from power outlet by first connecting to a power adapter(not included) 3. Power the product from power outlet by a power cord(not included). Insert the power cord into the DC port next to the USB cable end. Built-in USB cable. Color: Black. Supports: Windows 7/ Vista/ XP/ 2000 and Mac, OS X 10.2 and higher/ Linux 9 Note: For fast charging of devices, use an AC/power cord (not included) to power the 7-port hub. AC adapter required for device charging not included. Product Specifications: Interface: USB 2.0, compatible with USB 1.1 Data transfer rate: 1.5Mbps-12Mbps-up to 480Mbps Bus-power limit current protection: 500mA Maximum capacity supported: up to 500GB Cable length: 20” Size(attached cable not included): 6.5” x 0.9” x 1.4” (LWH) Weight: 2.9oz Package size: 8.46” x 4.1” x 1.18” (LWH) Package weight: 0.25lbs Package include: 1pc 7 port USB 2.0 Hub