Fangrui Product Details 1. M1 Portable Mini Voice Changing Modulator With Adjustable Voice Functions & Phone Computer & Sound Card & Mic Tool 2. 7 Different Voice Changes: This Handheld Voice Changer Has 7 Different Voice Changes, For Talking And Entertaining With Friends, Voice Changing For Online Games, Etc., This Is A Must-have Device For Entertainment. 3. Installation Method: First, You Need To Use The Adapter Included In The Package To Connect Your Mobile Phone Or Other Devices; Second, Use The Other Side Of The Adapter To Connect The Top Of The Sound Changer; Finally, Use The Earphone To Connect To The Bottom Of The Sound Changer, Be Sure Insert The Plug Deeply Into The Hole For The Voice Charger To Work Properly. 4. Adapter Requirements: This Sound Effect Device Can Be Used On Any Mobile Phone, Computer, Tablet Computer, Ps4 Game Console, Xbox Game Console And Any Game Platform. When Using The Voice Charger On The Pc, You Need An Adapter For The Headset And Microphone 2-in-1 Conversion Cable, And Then Configure It. 5. Easy To Use: The Voice Changer Is Very Small, Easy To Carry, No Need To Install Any Drivers, Plug And Play, Very Easy To Use. 6. The Interface Of The Voice Converter Is 3.5mm, You Can Use An Audio Conversion Cable With A 3.5mm Interface, Which Can Be Directly Used On Your Earbuds And Headphones.