Mini lightweight microphone,As light as stepping on clouds,HIFI sound quality is more pleasant.Full-range speaker, bursting the energy of each note,Large volume and high sound quality Dual internal magnetic speakers, spatial audio 360° sound field Large battery capacity for 10 hours of singing,Adopting 2500 large-capacity lithium battery, it has higher power than speakers of the same volume to meet long-term mobile karaoke, charging only takes 3.58 hours, and you can sing all day Dual microphone interconnection and happy duet,Dual microphones realize wireless duet function, one mobile phone, two microphones, easy chorus,360-degree family-style karaoke hall,With 3 speaker units, it presents rich and intoxicating surround sound Smart sound high-end chip,A new generation of 5.3 chip is simpler and faster to connect, the signal is more stable and the transmission is faster, allowing you to enjoy wireless freedom,Ten meters of stable connection without worries,Satisfying 10-meter transmission of high-quality lossless audio, stable connection without delay and no jamming Speaker power: 7W Frequency range: 60Hz-20KHz Power adapter: DC5Vless than equal 1A Speaker diameter: 65 mm Operating voltage: 3.7v Reverberation: echo sound effect reverberation Frequency response: about 2.5 hours Colour:Black Material:Plastic Package Contents: 1x Speaker 2x Microphone Only the above package content, other products are not included. Note: Light reflection 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.