The heated gloves require a pair of 7.4V 2200mAh Li-ion rechargeable batteries (not included).The gloves are used for approximately 6.5 hours in the low position, 3-3.5 hours in the medium position and approximately 2 hours in the high position.If you need to exercise or work outdoors for a long time, it is recommended to purchase an additional battery (sold separately).Heated Gloves Heating element Covers the entire back of the strap and fingers up to the fingertips where they need heat most.It's the perfect solution for cold winter days and nights, Raynaud's disease, poor circulation and stiff joints.These rechargeable gloves keep your hands warm.When riding a motorcycle, the cool wind at high speeds can make even the mild weather also feel arctic.You may be more uncomfortable when riding in very cold weather.A set of heated motorcycle gloves can make a huge difference to your winter riding.