New Hanging Neck Hand Warmer Portable Hand Warmer Portable Heater Power Bank Mini Heater USB Charging Portable Charger $ 23.75 Product information: Size: 195 * 160 * 50mm Power mode: USB Rated voltage: 5V Color: neck warmer (Ruizhibai), neck warmer (dark sea blue), neck warmer (cherry blossom powder) Material: ABS+PC+aluminum alloy+silica gel Packing list: Hand warming treasure+charger+instructions * 1