Mengshen New Mini Cute Portable Wireless 8 Multi Voice Changer Phone Microphone Disguiser MS-HC31 1) Portable: mini and wireless design, just 130g, portable and convenient, 2) Powerful: This Voice Changer can change your voice into 8 different sounds: Funny, cool and practical, 3) Easy: Just put this voice changer close to your mouth, and your sound will change as you please, 4) Adjustable: The degree of change can be adjusted as you are speaking by pressing the buttons located on the front of the unit, 5) Suitable: Suitable for telephone, mobile phone and online chatting.