... rechargeable c. 6-8 hours with warmth Item name:winter outside sports like ski battery heat glovesDescription:Battery Heated ... Maximum Warmth For Extreame Whether!-Windproof and waterproof-Applications:Winter wear,winter sports,motocycle riders,hikers,hunters,ice fishing,senior ... using: design for optional charging, USB or power adapter at home , li-batterysupply outdoor, easy to operate. Mobile heat ...