... 3. Good warm effect FIR ourdoor sport heated gloves with rechargeable battery:1.Application. skiing,snowboarding,cycling,climbing,riding,Fishing,outdoor ... and care in cold.5.Good warm effect High capacity rechargeable Li-polymer battery,Votage:3.7V/7.4V,Capacity: ... be charged for 12 hours at the first three times.Inserting 220V household power . FIR ourdoor sport heated gloves with rechargeable battery