Ergonomically shaped so it’s a pleasure to hold, this compact little handwarmer will thaw you out and it powers your electronics.

10,000mAh lithium-ion battery provides up to 12 hours of heat, powers the flashlight, or tops up your favourite USB powered devices
Reaches temperatures up to 40 to 45°C
Water and dust resistant (IP-65)
Charges via USB Mini in 6-20 hours
Dimensions are 10.3 x 6 x 3.4cm
2 type A USB ports, 5V (1A) and 5V (2.1A) output
Included: 10cm-550 paracord strap with carabiner, USB charging cable and soft carry pouch

Celestron ThermoCharge 10 Warmer/Charger