Bass Sound: High power amplifier provides more shocking effect, clear sound quality and better bass, providing your a nice experience.2400mAh built-in battery. Plug and play, long wireless distance. 50 meters long-distance reception, recording more freely. LED display: Live sound card can be used for smart LED display. Both microphone and receiver can be chargedThis karaoke mic can also be used as a microphone, Bluetooth audio, recorder, speaker, suitable for any age, easy to adjust the volume, sing and play music. After a full charge, it can be used for hours. Widely Used: It can connect to phones, laptops, TV , smooth and stable. Compatible with Android, iOS devices and all singing applications. A unique gift for children and adults for Christmas, celebrations and parties. *2 Piece microphone *1 Piece receiver