Celestron elements thermotrek
Stay warm on the trail with the thermotrek hand warmer the 4400 mah lithium ion battery provides up to an impressive 6 hours of continuous heat on a full charge thermotrek heats up quickly and reaches a maximum temperature of 113 degrees fahrenheit 45 degrees celsius unlike chemical hand warmers thermotrek can be recharged multiple times just plug it into the usb port on your pc or a compatible ac charger using the included cable the rugged aluminium construction and protective silicone