Electric Pocket Hand Warmer Rechargeable USB Power Bank 5200mAh.

-3s instant heating and double-sided heating: Long press the switch, the electric hand warmer will release heat evenly from both sides within 3 seconds. 3 adjustable heating temperature levels: Low (35°C~42°C), Medium (42°C~48°C), High (48°C~55°C) to give you more choices. A must in cold winter, especially for Raynaud's syndrome sufferers and arthritis sufferers for heat therapy needs
-Environmentally friendly and superior safety: Our hand warmer is rechargeable and reusable, and has an integrated intelligent temperature control chip and heating system, which provides overload, overvoltage, overcurrent and short-circuit protection. The aluminium casing has excellent thermal conductivity and heat dissipation performance. You can use it with confidence.
-Handwarmer and Power Bank 2 in 1: Our portable electric hand warmer can not only give you warmth, but also serves as a battery backup to charge your electronic devices in case of emergency. 5200 mAh battery with USB-C output (the included adapter also allows you to charge USB-A devices). The best multifunctional companion when going out
-Simple one-button operation: Our reusable hand warmer can perform all functions with just one button: long press for 2~3 seconds to activate/deactivate hand warmer mode; one click to change 3 heat levels; double click to display remaining charge. Compact design that fits easily into any pocket or bag