1) 100% brand new and high quality

2) Designed for Apple iPhone 5/5S/5S 4/4S 3GS

3) No wifi, No bluetooth paring, No cable needed.

4) No troublesome paring or setup.

5) Convenient to carry.

6) Rechargeable Lithium battery.

7) Battery low indication.

8) Speaker Power: 3W

9) Sensitivity: 40mv.

10) The input power: DC5V/500mA

11) Battery capacity: 800mA

12) The power plug specifications: Micro USB

13) Play time: About 5 hours at average volume

14) Maximum volum: 90db±3%