Myamia 7 Port High Speed Usb Data Transfer Usb 30 Charging Hub For Iphone PcFeatures: 17 ports high speed USB 30 hub, up to 5 gbps 2Plug and play, not need any driver 3Fully compliant with USB 10112030 4Built-in current protection device 5Power supply by USB 30 cable, each interface maximum available current for 900mA 6With onoff switch 7Ideal if y..