Watch Wireless Charging 5500 Mobile Power Bank

Product information: Input and output: 2.1A universal to all mobile phones Emission current: 180ma USB output: 5V-1A Neutral packaging English packaging Working frequency: 100-200KHz Conversion efficiency: greater than 72% Charging method: magnetic induction charging, 1st generation, 2nd generation, 3rd generation and 4th generation general Battery type: polymer lithium ion battery Applicable type: general purpose Battery type: cylindrical aluminum shell Shell material: plastic Additional function: multi-U port output Size: 110*43*22 Colors: White, Black Power capacity: 5500 mA Packing list: Power Bank*1