<ul> <li>Built-in 77mm large-size speakers, presenting high-definition sound quality, strengthening the sound details, bass surging texture, medium and high sound full and thorough</li> <li>Full-frequency sound unit, 360&deg; surround sound, sound quality is delicate and mellow, highly reproducible sound details, clear vocals, layered, enjoy the wonderful music</li> <li>With 2.4g wireless transmission mini microphone, good reception,no whistling, can support 10 meters within the free K song; camping, party, home, unrestrained, smooth experience</li> <li>Professional mode, microphone mode, male to female, female to male, beast sound, a variety of voice changes, a key to switch, change at any time</li> <li>Built-in seven-color ambient lighting, 11 light effects can be switched, the light moves with the sound, breaking the boundaries of vision and hearing, feel the clever blend of light and shadow and heavenly music</li> <li>Adopting the new generation of Bluetooth 5.2 chip, it greatly improves the anti-interference ability of the chip in complex environments, with lower power consumption and faster transmission</li> <li>Support two speakers in pairs, left and right channel independent output, to create a more stunning surround sound field</li> <li>Support Bluetooth mode, TF card mode, AUX mode, USB mode, Karaoke mode</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Bluetooth version: 5.2</li> <li>Transmission range: 10m</li> <li>Battery capacity: 3600mAh</li> <li>Speaker size: &Phi;77mm</li> <li>Charging voltage: DC 5V</li> <li>Frequency response: 20Hz-20kHz</li> <li>Speaker power: 20W</li> <li>Working voltage: 3.7V</li> <li>Distortion degree: &lt;1%</li> <li>Product Size: 122x122x156mm</li> <li>Product weight: 662g</li> </ul>