Hand Warmer and Power Pack
Small and practical external battery which functions both as a hand warmer and a portable charger for USB devices such as mobile telephones, tablets, etc. The hand warmer has two settings and is able to charge and warm for 1-1.5 hours. The device has a built-in 2000 mAh polymer battery. Output: 5V / 1A. Micro-USB cable and knitted pouch included.