Everyone loves a karaoke night!Bring the karaoke home by connecting your phone to the speaker, place in the holder and select your go-to song!Plug in the mic and sing your heart out.Technical Specification:Bluetooth supports: Bluetooth 5.0Range: 10mTransmitting frequency: 20Hz-20kHzBatteries: 3 x AA, 1.5V (not included)Unit weight: 385gEnvironment working temperature: 0-45°C