Unigear rechargeable hand warmer, 5200mAh reusable electric hand warmer power bank USB portable with adjustable heating levels from 35-55°C & digital display, heat for Raynaud's outdoor hiking.

["Innovation at Your Fingertips: Our rechargeable electronic hand warmers can heat up both sides in 3 seconds and keep your hands warm. It features 2 A-class batteries and an innovative LED digital display to show the charging status and temperature range.", "Longer-lasting warmth than ever before: With an adjustable temperature range of 35-55 °C (95-131 °F), you can adjust the hand warmer temperature to each degree as desired, without the limitation of traditional 2-3 temperature levels. Simply charge the device for 2-3 hours and enjoy 4-8 hours of warm hands! Ideal for winter hiking or commuting on cold mornings.", "100% Safety Tested: Unlike other electronic hand warmers, the Unigear Hand Warmer Powerbank has global commercial insurance. In addition, our battery has 3 built-in temperature sensors to ensure its safety and global commercial insurance. Its surface is made of aviation aluminum, which has excellent heat conduction and heat dissipation performance.", "2-in-1 Powerbank Hand Warmer: This reusable battery hand warmer serves as a 5200 mAh battery and a portable charger for iPhone and Android with a USB type C / USB output / Micro-USB charging port. As a multifunctional device, it features a sleek, compact design - the perfect travel companion!", "Our rechargeable pocket hand warmers are perfect for people with rheumatoid arthritis and can help you withstand harsh temperatures during outdoor adventures. A practical gift for your wife, husband, or children in the cold winter or for Christmas."]