Power Bank - I Teach Therefore I Rock

This I Teach Therefore I Rock Power Bank lets teachers charge their mobile devices quickly and easily without the use of a wall socket. Just charge the power bank and the power bank is ready to charge most phones, MP3 players, or more. The 3 1/2" long power bank features a USB output and micro USB input with cord, and 5 volt output and includes a 2200 mAh Lithium grade A non-recycled battery. The words "I Teach, Therefore I Rock" and "#MAKING A DIFFERENCE" are printed on the front in white ink.