Super Bass High Quality SoundWith LED lightFM Radio , Bluetooth 4.0IPX7 Waterproof (Ordinary waterproof, can't be use underwater)Warm reminder: This speaker is a waterproof speaker and is protected against accidental water ingress for a rugged outdoor or indoor use. It is not designed for use as an underwater speaker.Specification:Colour: BlackMaterial: plasticSpeaker:40mmBare metal size: 18cm*6.3cm*6.3cmWeight:560gBluetooth Version:V4.0Support A2DP,AVRCP, Handsfree profile.Working Range:Up to 10metesLoudspeaker Output:2*3WFrequency Response:280HZ-16KHzSignal-to-Noise:95dBDistortion: 0.5%Battery Voltage/Capacity:1800MAHBattery Charging Voltage:5V0.5VBattery Charge Time: 4hoursplay time values for speakers :10hoursStandby time:200 hoursPackage Contents:1X Bluetooth audio1X USB charging cable1X User Manual1X Package BoxOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.