Heating Socks, 5000mAh Rechargeable Electric Heating Socks, Maximum Battery Life of 8 Hours - 4-speed Adjustable Heating Settings, Washable Winter

Fabric Composition: Cotton Rated power: 30W or less Is it washable?: Yes Special functions: timing, constant temperature Power mode: battery type Working voltage: 36V and below Battery Properties: Rechargeable Battery Rechargeable battery: lithium battery - polymer Applicable number of people: single person Product function: constant temperature function Temperature control gear: 4 gears temperature control Heating method: resistance wire heating Item number: RU249628