Hand Warmer & Power Bank

Safety is our priority. We only use premium chipset to control the heat levels. There are 2 levels of heat to choose from by a simple button. You just need to short press once to switch different heat modes, easy operation. The dual sided heat up to 131¨H/ 55¡æ operating temperature for adjustable and comfortable warmth. 4000mAh Rechargeable hand warmer also can be a power bank, offering two full charges to most android and iOS phones and tablet