Never worry about running out of memory with Nano-OTG, an ultra sleek and slim Micro-USB OTG Adaptor. Just like a Micro-SD card reader you use for your PC, Nano-OTG may be used to increase the memory on your Android device. Plug Nano-OTG into your USB flash drive to make it OTG enabled. Charge your Smartphone using another Smartphone with ease. Connect a wireless mouse, wireless keyboard and other USB external devices to your Android & iOS device.