specification:
<br />1. Support A2DP, AVRCP, handsfree profile.
<br />2. Bluetooth Version: V4.0 + EDR Class 2
<br />3. Working Range: up to 10 tenants
<br />4. Dimension: 180mm * 63mm * 63mm
<br />5. Net Weight: 587g
<br />6. Speaker: 40mm
<br />7. Output Speaker: 2 * 3 W
<br />8. Frequency Response: 280 Hz-16 KHz
<br />9. Signal-Noise:  95dB
<br />10. Distortion:  0. 5%
<br />11. Battery Voltage / Capacity: 1800 MAH
<br />12. Battery Charging Voltage: 5V   0. 5 V
<br />13. Battery Charge Time: 4 hours
<br />14. Play time Values   for loudspeakers: 10 hours
<br />15. Standby time: 200 hours
<br />Main functions:
<br />Super Bass High Quality Sound
<br />FM Radio, Bluetooth 4.0
<br />IP67 Waterproof (waterproof Ordinary, can not be used underwater)
<br />Hot reminder:
<br />This loudspeaker is a waterproof speaker and is protected against accidental water penetration for a sturdy outdoor or indoor use. It is not designed for use as an underwater speaker.
<br />Package List:
<br />1 x Bluetooth Waterproof Speaker
<br />1 x Owner's Manual
<br />1 x USB Cable