E-More Hi-speed Round 8 Ports USB 2.0 Mobile Charger For iPhone iPad Htc Samsung and Tablets And Other USB-Powered Devices (Black) Fully compliant with USB 2.0 specification, backwards compatiable with USB 1.1. High efficiency and low energy consumption, maximum data transfer rate is 1tbps. Compatible with all Windows/Mac/Linux systems. Compatible with all the electronic devices with USB cable, like smartphones, tablets, power bank, MP3, camera...etc. Plug and play, no driver installation required. Indicator light status.