Hand Warmer USB Dual-purpose Power Bank Power Bank $ 19.49 Product information: Product Name: yinchong hand warmer Material: ABS/aluminum alloy/silicone/electronic components Product Size: Blue 127.672.2 * MM Pink 134.872.2 * MM Gray 12072.2 * MM Yellow 121.672.2 * MM Battery capacity: 10000mah Packing list: Power Bank * 1 Product Image: