* Fast & Dual-Sided Heating: Electric hand warmer is equipped with a high-performance heating plate, which can generate heat in just 2s. The double-sided surround design allows you to enjoy the warmth from palm to fingertip, just like grabbing the sunshine in your hands.
* 3 levels of heating and power bank: This reusable hand warmer is equipped with 5200mAh Li-ion rechargeable battery, and there are 3 levels of temperature for you to choose, 95-104°F (about 8 hours), 104-113°F (about 6 hours)) and 113-122°F (approximately 4 hours). Hand warmer and mobile power in one, equipped with USB C output port, you can charge your mobile phone anytime, anywhere.
* Smart & Safety : This rechargeable warmer built-in intelligent protection system, providing the safeguard of overcharge, over-discharge, under-voltage, overvoltage, and overheating, short circuit and overloading, etc. This heater will automatically power off after fully charged.
* Portable & Large Capacity: The upgraded 5200 mAh hand warmer is more durable and is equipped with a detachable lanyard, which is very suitable for hunting, fishing, hiking, camping, skiing, travel or play sports outdoors.
* Ideal Gift & Winter Companion: Labcult hand warmers are the best gifts for Thanksgiving, Christmas, New Year, birthday, and anniversary gifts to your lover, kids, families, and friends. Deliver warmth to your loved one.