Mustard Micro USB Wireless Charger Phone Micro-USB Charge Port/USB On-The-Go (OTG) - Red Metal Micro USB Phone to Phone Charger w/ rubber casing and Metal Keychain Measures 0.62 x 2.38 x 0.97 inches A micro USB phone to phone charger that allows you to transfer battery power from one phone to another. Includes a convenient key chain so you can always charge your phone wherever you are. Suitable for most micro-USB and OTG devices only Contains small parts, choking hazard. This is not a toy.