Hand warmer, Portable hand warmer, Rechargable Hand warmer, usb hand warmer,with Emergency Charger Hand warmer, Portable hand warmer, Rechargable Hand warmer, usb hand warmer,with Emergency Charger*Can be fully ... the high Mode* If ask can use as cell phone charger*Power: 2W. Volt: 3V.*Battery Capacity: 1800MA*Size: 84 x ...