Self-contained 4-wire Fast-charging Power Bank 20,000mAh

Hidden four-wire design, widely compatible, upgraded antioxidant technology, plug life longer. Applicable to a variety of models, charge your mobile phone at any time, and go out without a cable. Intelligent fast charging, charge whenever and wherever you want, no power outage worries. Polymer battery, safe and durable. Compact body, curved edge body, similar to the skin feel of the frosted shell, light luxury texture, can not help but let you hold in the palm of your hand.