To be the first to hand on the world's first water-resistant, dust-resistant and crack-resistant rechargeable hand warmer

• Exquisite comfort, high-tech aircraft-grade aluminum, and ABS plastic.
• Instant heat, press the switch, and instantly release the warmth, 3 levels of temperatures up to your choice. Long-lasting warm 4-6 hours.
• Upgraded security, the optimized circuit to ensure safe use for a long time.
• USB-C charging port ensures more stable and fast charging takes 5-6 hours for a full charge.
• Perfect for daily use, best value rechargeable hand warmers ever of Ocoopa. 
• More details to click "Buy on Amazon"