Descriptions: - Multifunctional portable charger external battery power bank with a built-in cigarette lighter. - 4000mAh rechargeable power capacity, giving your phone enough juice to keep it running. - Innovative design, a unique look that will let you stand out from the crowd: more than just a power bank, it is also a cigarette lighter. - Perfect power supply for business trip, travel, field work, etc. - Repeatedly use of a single charge, portable design, convenient to carry.