1) Portable: mini and wireless design, just 130g, portable and convenient,2) Powerful: This Voice Changer can change your voice into 8 different sos: Funny, cool and practical,3) Easy: Just put this voice changer to your mouth, and your so will change as you ,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. 8 different voices: Male (3 types), Female (3 types), Robot, and Original. With an on/off switch, 9-volt battery powered (not included). Specifications:color: blue material: plasticItem dimension: 89x60x23mmItem weight: 130gPackage Contents:1*Multi Voice Changer toyOnly the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.