1. Callmate brand new and high quality.
2. 20000mAh high capacity: Enough for daily use.
3. Dual USB output design for charging two devices simultaneously.
4. It only needs 10 hours to be full charged, very time-saving for you.
5. Ultra-lightweight design, easy to carry.
6. 9S circuit protection from Texas Instruments, ensure the safety use.
7. Up to 93 percent of the plate end conversion rate.
8. Adjust the output power automatically to meet different devices charge needs.
9. Stylish Gradual bumps surface design, offer the comfortable hand feel, meanwhile, anti-skid and anti-scratch.
1) Capacity:20000 mAh
2) Dual USB Port
3) Material : Plastic
4) Four LED indicator light to show battery level
5) Input:DC 5 V, 1 A
6) Output1:5 V,2.1 A
7) Output2:5 V, 1 A""