Features: Compact, safety, and easy to carry outside. Strong practicability, so that you can long-term use. Fashion design with bright LED light, for lighting and emergency lights. Advanced technology and excellent quality, is believable and trustworthy. After the tests, output and input power is regular, ensure product qualified. Description: Adopt A+ polymer core, large battery capacity, sufficient power, long endurance. Compatibility is great, adapt to the mainstream mobile phone market, charging carefree. Dual USB output design, high charging efficiency, charge two phones simultaneously. Specification: Compatibility: More than 98% digital product Input: 2.1A Output: 2.1A/ 1.0A Size: 143*68*16mm Type of battery: Polymer Color: Black/ White Battery capacity: 20000mAh/ 50000mAh/ 100000mAh/ 300000mAh Plug standard :USB Material: Plastic LED lighting :Yes Package Include: 1 x Power Bank