... voltage 110/220v Heated power 4-8w Hand warmer hot pack,Hot Stone, Electric hand warmer, warmer,USB Rechargeable Hand Warmer, warmerwarm body all daygood touching feelingrechargeable to ... : 11-/220VItem size: 95*59*21mm Charge time: 3hrsWith Rechargeable Polymer Battery inside; Super great to warm your hands in ... feeling is only 65gIncluding: the host, warm bag, USB cable, charger, manual, color box