Cardboard Karaoke 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. Listening to excessively loud music for a prolonged period can damage your hearing. &bull, Fizz Creations &bull, Batteries not included &bull, The left dial controls the volume of the speaker, this means the music being played. &bull, The right dial will control the volume of the microphone. Please make sure the mic is plugged into the AUX connection and switched on before you start singing. &bull, Wireless, Bluetooth connection to your smartphone &bull, We recommend searching for Karaoke versions of songs to have the best experience possible. Technical Specification: Bluetooth: Bluetooth 5.0 Range: 10m Transmitting frequency: 20Hz-20kHz Batteries: 3 x AA, 1.5V (not included) Unit weight: 385g Environment working temperature: 0-45°,C