1、12 Sound Effects: Voice changer has 12 different sound effects, male voice, female voice, doll voice, loli voice switch at will, match more voice lines, sound more vivid. 2、Fine Tuning Function: Voice changer supports fine tuning function, you can make fine adjustments to the beautiful voice, voice change, etc., with Karaoke function, added 8 fixed sound effects Suitable for live broadcasting, entertainment, and compulsion. 3、Powerful System Algorithm: Mini sound changer voice changer adopts powerful system algorithm to optimize your voice directly, making you magnetic. 4、Noise Reduction: Mini sound changer voice changer removes most of the ambient noise, making you feel like a recording studio, giving you an excellent recording experience. 5、Long Battery Life, Interface: The voice changer has a built in 450mAh lithium polymer battery 450mAh for long lasting battery life. Interface: 5mm and micro USB.