These heated glove liners feature a mid-thickness design that balances warmth with dexterity, making them suitable for daily winter wear or layering under outer gloves in extreme cold. Powered by rechargeable 7.4V batteries, they provide up to six hours of continuous heat across three adjustable settings. The Lycra shell with fleece lining offers comfort and breathability, while touchscreen-compatible fingertips allow phone and camera use without removal.