Product Description Gobi Heat’s battery-operated heated glove liners keep your fingers warm while you’re doing all the things you love. These are ideal for snowboarding, optimal forworking, and more. Plus, these glove liners are great for those with health conditions such as arthritis and Raynaud’s disease. Boasting a new battery, Stealth II provides 2 hours of heat on High, 4 hours of heat on Medium, and 6 hours of heat on Low. The heating elements and steel fiber technology go up and around each fingertip, so no matter the setting you choose via the gloves’ integrated buttons, your hands will stay toasty.