MOBILE WARMING UNISEX HEATED GLOVE LINER BLACK X-LARGE FEATURES: Stretch Polyester Shell Slim-Fit to Use Under Any heated glove Gauntlet Hook & Loop Closure Integrated Wire Harness Connectors 4 Selectable Heat Settings Heat on Outside Perimeter of Fingers Integrated Waterproof Touch Control Button Mobile Device Touch Screen Compatible Available in XS, SM, MD, LG, XL, 2XL & 3XL Battery Features: Split Pack Rechargeable Lithium-Ion Battery (7.4V 2000mAh) Up to 8 Hours of Power Per Charge UL/CE certified AC wall charger included Charge Time 3-4 hours* * Footnote: Charge time is based off using included AC wall charger