2023 Upgraded Heated Hand WarmerThis newest rechargeable hand warmers with temperature digital display. Using graphene heating, offer you an instant double-sided heat in just seconds. 5 heat settings to adjust, up to 65/149 operating temperature hand heating pad for plenty of heat to keep your hands warm in colder weather and very convenient for your daily use. Safe & Comfortable MaterialOur hand warmer is made of high quality polyethylene material, which is safe, comfortable, skin friendly and durable. Super soft-touch plush finish, Warm and comfortable. Built-in intelligent protection system keep it away from overvoltage, overcharge, and short circuit. Reusable Charger Heated Muffs Hand WarmerThis Upgraded hand warmer with 8000mAh dual USB portable charger continuously warms your hands for 4-8 hours. It can also be used as a backup battery to charge your USB electronic device at same time. Portable Design & Widely Application Lightweight and stylish design, equipped with a shoulder strap and a pocket design, hands are free at any time. The rechargeable hand warmers gloves are easy to carry anywhere, perfect for sporting, fishing, hiking, camping, skiing, golf, travel or play sports outdoors. Winter Warm GiftThe Hand Warmers Rechargeable is a perfect gift for your family members and friends in Christmas. Battery operated hand heater not only can warm your hands and body in cold weather, but also can help relieve pain. Perfect for winter gift giving. Digital graphene warm handbag Product parameters Material: heating cloth, crystal super soft cloth, electronic material accessories Input voltage: DC5V Working current: 3.7V, 0.91-1.85A Working hours: 3-8 hours Heating temperature: 40-65 degrees (5-speed adjustment) Power bank capacity: 8000mah Net weight of product: 175g Gross weight: 512g Product size: 200 * 315 * 80mm (measured manually, made of silk cotton foam material, with errors)