1) Working distance: 10m 2) Compliance with Bluetooth V3.0 EDR3) Super pure and loud sound4) Power output: 3W5) Built-in rechargerable battery6) Handfree function, reply for calling7) Waterproof design with sucker8) S/N: 75db9) Playback time: 5 hours10) Frequency response: 100Hz-20KHz11) Input:

1) Working distance: 10m 2) Compliance with Bluetooth V3.0 EDR3) Super pure and loud sound4) Power output: 3W5) Built-in rechargerable battery6) Handfree function, reply for calling7) Waterproof design with sucker8) S/N: 75db9) Playback time: 5 hours10) Frequency response: 100Hz-20KHz11) Input: DC 5V12) Size: 85 x 85 x 45mm