4.5V Heated Polyester Motorcycle Gloves Warm & Safe (First Gear) Package Include: Fever part: five-finger hand back Fever temperature: 50-60 degrees at room temperature. Product power supply: 4.5VDC battery box power supply. Please select the alkaline battery of No. 5 or charge the No. 5 battery (1.5V, capacity above 1500MAH). The battery box is a 3-cell battery box. Ordinary carbon batteries, or smaller-capacity rechargeable batteries, do not supply electricity and do not heat up. The heating depends on the battery capacity used, and the larger the capacity, the longer the. The fully-capacity 1500MAH rechargeable battery can be used for about 2 hours it is fully charged. Glove cleaning: The is brushed or machine washed being placed in a laundry bag. Package includes one pair of gloves, two battery cases( no battery inside) Tips: If you are using heating gloves for cycling or motorcycles, it is recommended to install a car cover on the handlebar (to shield the wind) to heat from dissipating.