12 built-in sound profiles for mobile phone karaoke to customize your live audio experience. Each profile lets you tailor effects and tone to your voice and the selected genre, helping you achieve a professional sound without extra gear. 9 major upgrade configurations in the karaoke live sound card to improve performance and enable easier real-time following of karaoke songs. This upgrade set is designed to enhance your workflow and deliver a smoother live singing experience. Integrated mixer driven design to capture and control sound quality. The mixer provides control over the overall sound and allows adjustments to tone and dynamics for precise intonation and balanced output. Compatibility and use with mobile devices. Designed for use with mobile phones, enabling direct connection to smartphones for karaoke apps and media playback. Performance and reliability. Delivers clear, stable sound with responsive control to support confident singing and playback in live settings. Use scenarios - Home karaoke with family and friends: connect your mobile device, select a profile, and sing along with on-screen lyrics for a shared, enjoyable experience. - Small gatherings and parties: use the upgraded configurations and mixer controls to maintain vocal clarity and balance in a social setting. - Vocal practice and rehearsal on the go: leverage the 12 sound profiles and precise intonation adjustments to improve pitch, timing, and overall performance between sessions.