Electop Micro USB Female to 2 Micro USB Male Splitter Cable Micro USB female + Micro USB Male for charging + Micro USB Male for data transmission Note: the long Micro USB Male supports charging and data transmission. The short Micro USB Male can only charge. This cable does not support OTG function. Two devices with micro USB can be charged at the same time. Converts micro USB to dual micro USB charging cable. Length: Short: 16 cm; Long: 30 cm