1Pair 2 in 1 Electric Magnetic Hand Warmer USB Rechargeable 6000mAh Portable Pocket Hand Heater with 3 Adjustable Levels

It's a great honor for you to visit my store. Good luck with your favorite purchasesBattery Included : Yes High-concerned chemical : None Heat Preservation Duration : 8-10 hours Origin : Mainland China Power (W) : 50W & Under USB Hand Warmer : Rechargeable Hand Warmer