Features 1. Large capacity: from 3000 mA can be used as a power bank; 2.5 hours for a full charge and 4-8 hours using time(depending on the temperature setting). 2. Portable: hanging silicone ring, feel-good feeling, can be hung on the bag or cabinet to meet different requirements. Double-sided heating, perfect winter gifts, especially for the home office. 3. Mobile energy mode: when the hand heat mode is not activated, the meow paw can be converted into a mobile power supply to charge the mobile device with a conversion head. 4. Warm hands mode: double click on the 'warm hands' function. Double click again to close the 'Warm Hands' function. Click on the gear setting, there are low temperature and high temperature levels to choose from. 5. Mobile power charging: micro USB interface, mobile power supply, support a variety of mobile devices. Specification Material: ABS, Aluminum alloy, Silica gel Color: Pink Size: 8 x 7 x 3 cm Weight: 76 g Heating power: 5 W Output power: 5 V/1A Charging time: 2.5 hours Using time: 4-8 hours Battery capacity: 3.7 V/3000 mAH Package Include: 1 Hand Warmer