This is a mobile powerbank in a rectangular shape with a fashionable design. It is professionally engineered to promise stable and reliable performance. The wafer-slim size allows users to carry it with them easily while traveling.

• Capacity: real 4,000mAh.
• Battery type: safety polymer lithium battery.
• Input: DC 5.0V 1A.
• Output: DC 5.0V 1A.
• Applicable type: universal.