1.   Capacity: 4000mah

2.   Cell: Li-ion

3.   Input: 5V 1A

4.   Output: 5V 1A 

6.   Case material: ABS

7.   Size: 45*120mm

8.   Weight: 200g

9.   Color: Black/white, blue/white

Feature:1. with V2.0 wireless bluetooth speaker, 10M connection distance

2. Built- in microphone function, let hands free