- Experience rapid, even warmth with advanced graphene heating technology, designed to keep your hands warm during outdoor activities such as camping, golfing, or hunting. - Enjoy hours of continuous heat with the USB rechargeable battery system, eliminating the need for disposable warmers. This eco-friendly option not only saves money but also ensures consistent comfort. - Benefit from double-sided heating with three adjustable temperature levels, allowing you to customize warmth for anyone—men, women, and kids. Ideal for all-day use in cold weather or winter sports. - The soft fleece-lined interior provides ultimate comfort, while the weather-resistant exterior protects against wind, snow, and cold. The convenient strap allows for hands-free use, making it easy to stay warm on the go. - Perfect for outdoor enthusiasts, this hand muff is great for chilly mornings on the golf course, long days of camping, or even watching a winter sports game. Keep your hands cozy and functional without the hassle of traditional warmers.