Use for Sun Will 

Heated Gloves 

Heated Socks

Heated Hats

Heated Balaclava Ski Mask

Heated Thermal Underwear Bottoms

Charge it with SUN WILL chargers only.

First Remove battery from heated gloves or socks during charging

First Remove battery from Gloves or Socks before washing

A pair 7.4V , 2200MAH Rechargeable Li-ion Batteries