Specifications: - Input: 5V 2.1A - Output: 5V 2.1A - Capacity: 20000mAh - Battery Type: Li-Polymer Battery5. Portable power bank, lipstick size. - Same Capacity, Smaller as grait, easy Holding, and carrying. - Safety & Environment-friendly, Use Premium Li-Polymer battery - Color Printing Processes, Colorful & Vivid, you can customize your Style. - Surface texture design, leaving no fingerprints on the increase. - The digital display charging state is simple but not simple. - LED lights provide you with a ray of light in the dark. - Thin, light and easy to carry. What's in the box 1 x 20000mAh Metal Shell Powerbank