... via AC adaptor or USB Can be power bank for mobile phone Can be hand warmer at the same time ... effect to rheumatic conditions of joints as well as pain caused by abdomen, stomach,waist,leg,shoulder, neck and nerves. It ... function4:Charger for I Phone, HTC , Nokia and other mobile phone.5:Instant heat up to approximate 50 degree when ... aching,cramps arthritis pain. 2500 mah power bank for mobile phone