bluetooth version：V3.0+EDR

          power：PO=1.5W

          Frequency：80HZ-15KHZ

          distortion degree：THD<1%

          Signal Noise Ratio：S/N≥50DB

          resolution：≥50dB

          wireless connection：≤10M

          normal charging time：≤1.5H

          working time：≥6H

          Hidden card style

          bluetooth talking、remind coming call automatically.

         It is compatible with PC and mobilephone and bluetooth devices.

         hidden TF card

          High hardness engineering plastic material,it is Pressure resistance and Not easy to break。

         Light remind electrical power and bluetooth connection works
        compact design

       It is convenient for travelling or outdoor sports