... saving 3. Good warm effect FIR ourdoor sport heated gloves with rechargeable battery:1.Application. skiing,snowboarding,cycling,climbing,riding,Fishing, ... Products adopt separation design,and elaboratly design unique invisible battery area.It is convenient to do outdoor sports in ... in cold.5.Good warm effect High capacity rechargeable Li-polymer battery,Votage:3.7V/7.4V,Capacity:1700mAh/4400mAh ...