K9 Portable Live Sound Card - Noise reduction for versatile use: This portable live sound card is designed to improve sound quality in a wide range of environments. It is suitable for entertainment on a computer or smartphone, including live streaming and karaoke. - Flexible connection options: The K9 supports both Bluetooth and wired connection. Bluetooth is for device accompaniment only. To pair, enable Bluetooth on your phone, search for K9, and connect; the indicator light turns on when pairing is successful. - Noise reduction and sound quality: The mixer board includes noise reduction to maintain clear audio even in noisy surroundings, helping you achieve a better singing experience. - Rich built-in sound effects: The mixer offers 13 electronic sound effects and 9 live sound effects. You can adjust these effects freely to suit your preferences and performance style. - Compact and portable design: Designed for on-the-go use with easy setup for both casual and professional applications. Use scenarios: - Live streaming or karaoke on PC or smartphone: Improve your voice quality with noise reduction and enjoy added effects during performances. - Small-scale performances or home studio: Use the Bluetooth accompaniment or wired connection for playback and enhanced vocal texture in a compact setup. - Podcasting or voice recording: Leverage the noise reduction and built-in effects to enhance voice clarity and add suitable ambiance.