Portable Travel USB Splitter Cell Phone Charger Adapter For Apple iPhone iPod iTouch All Other USB Devices Universal MRU4-4 Utrla light-weight USB hub converts your USB port into 4 USBs. The total 4 USB's charging current equals to the USB source it's connecting with. USB source could charge iPad, iPod, iPhone, any brand of cell phone that used USB as charger and much more. This unit is for charging proposes only. Unit can NOT use as data transmission.