Rechargeable Electric Hand Warmer 5000mah, Portable Usb Double-sided echargeable Electric Hand Warmer 5000mah, Portable Usb Double-sided. Features: GREAT GIFT: The Warmest Gift for Your Mother, Wife, and Girlfriend in the Cold Winter. Hand Warmer Power Bank It Helps Soothe the Pain and Uncomfortable of Menstrual, Fatigue, Raynaud's Disease / Syndrome Sufferers, Sufferers with Arthritic Hands. FINGER WARMERS: Double-sided and Constant [122 Fahrenheit (50 Celsius)], [140 Fahrenheit (60 Celsius)], 2nd Temperature Heating Will Warm Your Hands and Heat Up Quickly Within 5 Seconds. USB HAND WARMER: Hand Warmer & Power Bank 2-in-1; 5000mAh Sustainable Fever for 3-7 Hours (test Results at Room Temperature 78 Fahrenheit). It Can Also Be Used As a Power Bank to Charge Your Electronic Device at Any Time. HIGH-QUALITY POCKET WARMERS: Small and Portable Hand Warmer, Easy to Put in the Pocket/bag. Suitable for Sports, Fishing, Hiking, Camping and Skiing. A Perfect Hand Warmer Solution in Cold Weather