1. Rechargeable Hand Warmer: Pocket cute pet astronaut hand warmer, small and delicate, can be 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. 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. 3. Safety: The optimized circuit extends the lifespan of the pocket hand warmer and provides protection from over-discharge, over-charge, overheating and short circuit. 4. 2 in 1 multi-function: built-in 4000mAh battery, USB interface, this product is not only an electric hand warmer, but also a power bank. 5. Winter Ideal Gift: This is a must-have to get through cold , especially for the hyperthermia needs of those with Raynaud's arthritis. 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. Product name: Hand warming treasure Rated power: 6W Input voltage: 5V Charging time: about 3H Battery capacity: 4000mAh Material: ABS+Aluminum alloy colour: White Package Contents: 1 x Hand Warmer 1 x Usb Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.