Little Hotties hand warmers are an odourless, environmentally safe heat source that provide warmth and comfort in all cold conditions for approximately 8 hours. This 40 pack, with an average activated temperature of 135°F (57°C), can be used by athletes, outdoor enthusiasts, sportsmen, spectators, skiers, construction workers and anyone who wants warm hands
【Pocket Charger 】5200mAh capacity can give a full charge to mainstream digital devices on market, for iPhone, Samsung Galaxy, Nexus and other Android phone. 3 indicator lights keep you informed of the remaining battery and heating status.
【Effective Double Heats】The hand warmer charger is heated instantly on both sides at a constant temp to both your hands with all round warmth, promising good heat transferring performance and longer service hours.
【Smart Heat Control】Double-sided and constant 104℉(40℃)～131℉(55℃) heating warms your both hands, fast heating up in 30 seconds. Easy turn warming on and off, Warming will automatically turn off after working for an hour to save battery(you can restart to use).
【Safety Protection】Built-in time control and an integrated temperature sensor, will switch off automatically when the temperature exceeds 131℉（55℃）to prevent over heating.
【Portable & Lightweight】Smooth touching pebble-shaped hand warmer, lightweight and easily fits in the palm of your hand or in your pocket, includes a protective knit sleeve for added comfort, a perfect hand warmer solution in cold weather.