Enjoy up to 113° of warmth while outside in the cold with the ThermoTrek Hand Warmer from Celestron. Powered by a rechargeable 4400mAh battery, this aluminum device is sized just right for your hand at 3.7 x 1.8 x 0.9" and weighs just 5.2 ounces. It recharges via an included USB cable and will provide heat for up to 6 hours on a charge.
- Compact heater powered by 4400mAh rechargeable battery
- Provides up to 113° for up to 6 hours
- Silicone end caps for safety
- Unlike chemical hand warmers, can be recharged and used again
- Compact at 3.7 x 1.8 x 0.9"
- Lightweight at 5.2 ounces