Bullet Points:1, High Quality Material: The heart-shaped electric batteries are made of PC material, which provides 3000mAh backup power to replenish power.2, Convenient and Portable: You can put it in your pocket or bag freely or hold it in your hand. Then you can travel lightly with the warmth of holding it in your hand.3, Easy to use: The heart-shaped cordless electric heaters will be heated immediately when you turn it on, and you don't have to wait for backup power. It can be charged for 4 to 6 hours.4, Excellent Design: There is a built-in warm, bright design hand warmer, which can long press the switch button, then warm, bright turns on.5, For Different Ocns: Heart-shaped rechargeable electric heaters are suitable for different ocn, such as outdoor camping, mountaineering, home office, etc. Description:Heart-shaped cordless electric warmers is a practical and convenient product that keeps your hands warm during the cold winter, made of high-quality and safe material. Therefore, it is a good choice for a Christmas gift. Specification:Name: love hand warmerMaterial: PCMeage: Approx.8.8*8.8*3.2cm/3.46*3.46*1.26inInput Voltage: 5V Input Source: 0.5 to 1CHARGEDeating: 4 to 6 hours Battery: 3000mAh Packing List:1 * Hand Warmer1 * USB CableFeatures:1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.