Description Fourheart rechargeable USB electric hand warmer is a portable and convenient device which can keep your hands warm for up to 10 hours on one charge. It’s useful for any outdoor activity in the cold and warms on both sides. Product has three heating levels: 107°F (42°C), 118°F (48°C), and 131°F(55°C). With heating on both sides, this hand warmer can easily keep both of your hands toasty. Device heats up in just a few seconds, and will automatically turn off after one hour of continuous use to save battery (can easily be restarted immediately). Battery capacity of 5200mAh can keep your hands warm from 5 to 10 hours, depending on heating setting. Battery charges for 2-3 hours. Large battery capacity is enough to fully charge a modern smartphone like iPhone or Samsung Galaxy. This electric hand warmer can actually be used as a charger for your cell phone! If you need extra juice during a camping trip, fishing or hiking, this device can fully charge your phone with the USB cable included. Product is made of high-tech aircraft grade aluminum and ABS materials, with an eco-friendly polymer battery. It’s shock-proof, explosion proof, and radiation free. Safe, convenient, useful, and comes with 24-months warranty. This electric hand warmer comes in five colors: black, blue, gold, silver, and rose gold.
