Micro public to USB female OTG power adapter Operating instructions The phone needs to support OTG function in order to be able to use the tested USB keyboard and USB flash drive. The external USB power supply of the mobile hard drive can also be used for phones with micro us OTG interface, tablets, MIDUMPC, and e-books for OTG transfer function. take care 1: Charging OTG phones or tablets is not supported (Power supply function only provides power to external devices) 2: Mobile tablets with 0TG function can be connected through this adapter cable 3: USB portable drive requires external power supply 4: Connect to a mobile hard drive. If there is another USB drive without a micro USB power interface, please click: With a micro USB power interface, currently OTGs cannot phones or tablets. Charging is not supported, but only for external devices Product Name: Micro Public to USB Female OTG Power Supply Adapter Voltage: 5V@2A Material: aluminum alloy+PVC Transmission rate: 480Mbps Interface: Micro input/USB-A output Function: Data Transmission 2.0 Packaging includes 1 * OTG adapter