Music can channel emotion， light effect can make aesthetic， the combination of music and light creates a stereoscopic sensory experience.<br /><br />Features:<br />The combination of sound and light creates a stereoscopic sensory experience.<br />Built-in large capacity lithium battery for long-term life.<br />The fuselage is waterproof and can be safely bring to the occasions like seaside， swimming pool， etc.<br />360 degree surround LED atmosphere lamp， the light is bright and clear.<br /><br />Specifications:<br />Color: blue， black， grey， red (optional)<br />BT version: 4.2<br />BT standard: 2.1+EDR<br />Output power: 20W<br />frequency response: 100Hz-18KHz<br />SNR: ≥80dB<br />Working distance: ≥10m<br />Battery: built-in lithium battery (3.7V， 6000mAh)<br />Item size: 22.3 * 9.2 * 9.2cm / 8.8 * 3.6 * 3.6in<br />Item weight: 960g / 2.1lb<br />Package size: 25 * 10.8 * 10.5cm / 9.8 * 4.3 * 4.1in<br />Package weight: 1060g / 2.3lb<br /><br />Package list:<br />1 * Stereo<br />1 * USB Cable<br />1 * Power Adapter<br />1 * Users Manual