Introducing the All-New Heated Glove Liners. Featuring full hand heating that wraps around your fingertips to keep your fingers nice and toasty. It features full-finger heating with high heats up to 150°F in long durations so you'll stay cozy all day. With comfort, usability, and heat effectiveness as top priorities, these gloves are engineered with 4-way stretch fabric, adjustable wrist strap, thumb & index finger touchscreen fabric, and a convenient power button. These gloves are powered by dual-flex batteries giving you up to 6 hours of heating time. Use them as everyday gloves by themselves or as liners with your favorite winter gloves or mittens.