Mini Powerbank 20000/50000 mA self cable Four-in-one ultra-thin portable high-capacity fast-charging mobile power creati

- Smart Charging without Damaging Your Machines Using intelligent frequency division technology. Self-adapting to equipment required current - High-quality Materials with Fine Workmanship Made of environmentally friendly ABS and PC fireproof materials with unparalleled classic design, scratch resistant and high temperature resistant - Multiple Security Protections Achieving nine layers of protections: overcharge, over voltage, over current, electromagnetic field, short circuit, overheating, overpower, recovery and over discharge protections Material:ABS plastic product size:140*68*20mm color:black and white capacity:20000/50000mah