1.Keep you hand warm 2.Charge your mobile,MP3 ect 3.Far infrared heating 4.Internal Lithium-ion rechargeable battery 1. With an internal Lithium –ion rechargeable battery,could be recharged up to 500 times.2. Use the carbon fibre as the heating materail3. Two functions: warm your hand and charge MP3/4/5 and most brand mobile phone such as Iphone,Nokia,MOTO,Sony Ericsson, Samsungetc4. Heats up in ...