Rechargeable Mini Hand Warmer Power Bank Two-in-one Explosion-proof Portable Usb $ 7.55 Product information: Material: ABS Power supply mode: USB Color: rose gold, local gold, titanium empty silver, sky blue, digital display pink, digital display gold, digital display silver, digital display blue Style: modern and simple Additional features: two-in-one charging hand warmer Fever time: 4-8 hours Battery capacity: 5200mAh Battery type: polymer lithium explosion-proof battery Product material: imported aviation aluminum + imported ABS Size Information: Product size: 10258.824mm Packing list Host + charging cable + manual*1