This phone and MP3 player charger is a fun and useful Prom or Homecoming favor your teens will love. Add your custom imprint for a personalized touch. The charging station can also be used for school fundraisers, student awards, graduation gifts, and more. Power bank includes a 2200mAh lithium ion grade A non-recycled battery, USB output, and micro USB input (cord included). 5 volt, .8 amp output. Requires a device charging cord.