FIR ourdoor sport heated gloves with rechargeable battery: 1.Safe and reliable 2. Energy saving ... Good warm effect FIR ourdoor sport heated gloves with rechargeable battery:1.Application. skiing,snowboarding,cycling,climbing,riding,Fishing ... cold.5.Good warm effect High capacity rechargeable Li-polymer battery,Votage:3.7V/7.4V,Capacity:1700mAh ... . FIR ourdoor sport heated gloves with rechargeable battery