EnergyFlux Ellipse Rechargeable Hand Warmer 5200mAh / USB Portable Charger Power Bank Battery Pack
Warms on both sides of the unit to keep hands toasty
Two temperature settings: 107F (approx. 6.5 hrs) and 118F (approx. 5 hrs) when in room temperature
Charges digital products, including mobile phones, MP3 players, digital cameras, etc.
Rechargeable 5200mAh lithium-ion battery with up to 500 recharges