Why Choose Our Hand Warmer:
✔2-In-1 smart design, it can be your hand warmer, but also can be your power bank when your cell phone is power off.
✔Rapidly warm up single side or double sides in seconds, press the switch and instantly release the warmth for you.
✔Built-in 20000mAh polymer lithium battery and Type-C charging port, only 7-8 hours charging time can make sure 5-10 hours working time.
✔Optimized and upgraded circuit to ensure a large battery capacity, safe for a long-term use.
✔Made of high quality Aluminum alloy and flame retardant PC material.
✔Small enough to put it anywhere you want, hold it in your hand or put it in your pocket.

Specifications:
☞Battery capacity: 20000mAh
☞Power: 15W
☞Type-C Input: 5V 3A
☞Type-C Output: 5V 3A
☞USB Output: 5V 2.1A
☞Heating: single-sided double-sided heating
☞Heating temperature: 48℃ ~ 55℃
☞Charging time: 7-8 hours (tested with the charger of 5V-3A)
☞Service time: 5-10 hours
☞Material: Aluminum alloy, PC (resistance fuel), Polymer lithium battery
☞Size: 28*83*166mm
☞Weight: 470g

Safety Precautions:
★Charging, power bank, and hand warmer cannot be used at the same time, which means can only be used alone. The use priority is as follows: ①Charging, ②Power bank, ③Hand warmers.
★Keep away from environment including humidity, high temperature, long-time exposure to the sun, fire, etc;
★Do not disassemble, open, cut or puncture the product;
★Keep the product in a location that is out of reach of children when charging.

Package Dimensions: 7.8 x 4.8 x 1.4 inches