Comfortable handle Rechargeable Hand Warmers 9000mAh Safe and Convenient Choice
1. Powerful 9000 mAh Large-capacity Battery.Ultra- Long Using Time about 8-14h
2. Latest Blazing Fast Recharge technology. Charging only needs 3.5H.
3. Safe and Truly Convenient Life, same power battery as Tesla
2.Active Ocoopa rechargeable hand warmer two years warranty