Features 1. Rechargeable Hand Warmer: Cute animal hand warmer, small and delicate, can be held with one hand, and can be carried in a travel bag or pocket. Great for outdoor, travel, work, hunting, sports, fishing, hiking, skiing, camping, biking. 2. Quick Preheating: It only takes 3 seconds to preheat, and the heating temperature can be changed every time the switch is pressed; the temperature adjustment in two gears, the low temperature mode is 45~50C, the high gear temperature is 55~60C. 3. Portable to Carry: The portable silicone lanyard design is very convenient to carry and store. 4. Ambient Light Function: This heated hand warmer not only brings you warmth in the cold winter, but also acts as an ambient light when the switch is turned on in the dark night. 5. Winter Ideal Gift: This is a must-have to get through cold winters. Hand warmers are a great gift for Thanksgiving, Christmas, New Years, Birthdays and Anniversary gifts for loved ones, kids, family and friends, and ideal for outdoor enthusiasts. . Specification Material: ABS, Silicone Color: Blue, Yellow, White & Brown, White, Pink Size: 8 x 8 x 5 cm Weight: 90 g Rated voltage: 3.7V Package Include: 1 Hand Warmer