365 DAYS 100% SATISFACTION: Our rechargeable hand warmer is great for Raynaud’s arthritis sufferers and will help you brave bitter temperatures on your outdoor adventures. If you have any enquiries regarding to this item, please feel free to contact Unigear customer service and we will contact you within 24hrs. POCKET POWER BANK: This 5200mAh battery doubles up as a portable charger for iPhones and Androids, featuring a USB Type C/USB Output/Micro-USB charging port. A multi-functional device, it features a sleek, compact design – the perfect travel companion!. 100% SAFETY-TESTED: Unlike other electronic hand warmers, with global commercial insurance, our battery has 3 built-in temperature sensors to guarantee its safety and global commercial insurance. Its surfaces are made from aviation aluminum with excellent thermal conductivity and heat dissipation performance. LONG-LASTING HEAT: With a temperature range of 95-131?; you decide the level of warmth down to the degree. Simply charge the device for 2-3 hours and enjoy having cozy hands for 4-8 hours! Perfect for winter hikes or cold morning commutes. INNOVATION AT YOUR FINGERTIPS: Our reusable electronic hand warmers deliver double-sided heat to your hands in just 3 seconds. It features an innovative LED digital screen to show the level of charge and temperature range, as well as a double A-grade battery.

Reusability: Rechargeable. Charging Time: 3 Hours. Battery Capacity: 5200 Milliamp Hours. Recommended Uses For Product: Hiking,Outdoor. Power Source: Battery Powered. Material: Aluminum. Color: Black. Brand: Unigear. Date First Available: September 4, 2021. Best Sellers Rank: #63,307 in Sports & Outdoors. Customer Reviews: 4.5 out of 5 stars 2,691 ratings 4.5 out of 5 stars. : B09F616BDS. Part Number: ?PN05024. Manufacturer: ?Unigear. Material: ?Aluminum. Color: ?Black. Brand Name: ?Unigear. Package Weight: ?0.2 Kilograms. Item Package Dimensions L x W x H: ?4.72 x 3.23 x 1.89 inches.