COMFORT & SAFE: Mocolo Rechargeable hand warmer. Made of high-tech aircraft-grade aluminum and ABS material, thousands of polished exterior material, smooth and warm, portable and compact. Eco-friendly Lithium Ion Battery, Shockproof, Anti-scald, Anti-skid, Explosion-proof, Radiation-free, Green and Healthy heat transfer
4 TEMPERATURES LEVELS DESIGN: Press the switch 3 Seconds and instantly release the warmth for you. Rapidly warm up double sides in 3 seconds. 4 levels of temperatures 95-100.4°F/100.4-107.6°F/107.6-118.4°F/118.4-131°F for your choice
LARGE BATTERY CAPACITY: 5200mAh lithium ion rechargeable battery with USB Type-C charging port ensures fast charging. It can also used as a spare power bank to charge your electronic device(when needed). Double clicking the button will show how much charge is left
GREAT SOLUTION FOR RAYNAUD'S & ARTHRITIS: This really helps warm up your cold hands and gets the circulation going, great for relief of aches & pains. Best Gifts for Friends and Family in cold winter
UPGRADED SECURITY: The optimized and upgraded Circuit ensures its long lifetime, providing protection against over discharging, over charging, overheat, and short circuit