Celestron Elements ThermoTrek Hand Warmer
The Celestron ThermoTrek was designed with outdoorsmen in mind. With its durable aluminum design and reinforced silicone caps, this hand warmer is perfect for mountaineering, cross-country skiing, or anyone who spends a lot of time outdoors. Unlike chemical hand warmers, ThermoTrek can be recharged multiple times. Simply plug it into the USB port on your PC or a compatible AC charger using the included cable.
Keep warm even in the most frigid elements with this Celestron ThermoTrek Hand Warmer! This hand warmer features a 4400 mAh lithium-ion battery to give you up to 6 hours of continuous heat on a single charge. The ThermoTrek will heat up fast to reach a maximum temperature of 113°F (45°C).