PRO PERFORMANCE: Experience the improved performance offered by the new pro version of our reusable hand warmer that delivers double the heat time and faster charging, all in a sleek new look that you're sure to love. LONG-LASTING HEAT: Our heat pack for hands gives off between 120-130 degrees Fahrenheit (48-55 degrees Celsius) of heat (depending on the setting). You’re sure to stay warm, whatever the weather outside with our electric handwarmer! LONG BATTERY LIFE: Based on Tesla technology, our battery powered heater runs continuously for about 6-14 hours (depending on the heat settings). It's the ultimate battery operated heater for your hands! BACK UP POWER: Doubling as a handy, portable power bank to recharge your phone or other electronic devices, our electric hand warmers can also charge your USB device through the USB-A Port, while the unit is taking a charge. This is helpful when using a solar panel to charge the electric portable hand warmer, but you want to charge your phone at the same time. RECHARGEABLE HAND WARMERS: Simply plug the electric warmer in to an outlet (using the included USB charging cable) and bring it back to full power. Say goodbye to wasting money on replacing disposables! This electric, reusable and high-performance hand warmer will warm your hands in minutes, while providing backup power for your cell phone. It's the ultimate gift for anyone who loves the outdoors! Includes: Hand Warmer, user manual, charging cable, storage bag and lanyard. UPC 813685029637 ASIN B0B1NJHVYB Size Compact Palm Sized Color Green Brand Name Survival Frog Unit Count 1.0 Count Item Weight 69.5 Grams Reusability Rechargeable Manufacturer Survival Frog Model Number ZLS-A9 Power Source Battery Powered Material Type Plastic Battery Capacity 9000 Amp Hours Battery Charge Time 6 Hours Battery Description Lithium-Ion Included Components Hand Warmer, Charging Cord Target Use Body Part Hands Lower Temperature Rating 120 Degrees Fahrenheit Upper Temperature Rating 130 Degrees Fahrenheit Recommended Uses For Product Cycling, Hiking, Camping, Sports