Features: This Handheld microphone designed for mobile karaoke and webcast, is compatible with smartphone/tablet/laptop/ PC. Built-in DSP chip and 8 sound effects for endless fun; 12 autotune effects switched freely for easy and reliable singing. With 3.5mm headphone jack, supports real-time monitoring, enjoy clear music sounds and never sing off key again. Smart noise reducing function to filter out ambient noise when people sing, purer singing and clearer recording. Built-in sound card chip, recording without loss when linking with PC/cell phone via USB. Accompaniment connector for linking with external audio source to play accompaniment or host effect during webcast.