Why Choose This Voice Changer? Disguise Your Voice -This voice changer device can make your life more interesting. You can connect it to your phone,PS4,Xbox and disguise your voice when you're talking to others. This voice modulator can be used to harass your friends, making a lot of interesting reactions for you, especially in online games because no one knows who you are. You can even play different characters in the game and surprise your friends. 80 kinds of voice-changing fine-tuning effects- Combined use of voice changing and fine-tuning to achieve 80th order voice-changing fine-tuning, making voice changing more realistic and more amusing. Cool Lights Sound Board - Cool lighting design, with independent on-off key, make it more interesting when you use this voice disguiser. 8 Warm-Up Sound Effects - Applause, Kiss, Laughter, Cheer, Surprised, Show up, Crow, Time. 8 Reverb Mode - Normal, Robot, DJ, RAP, Studio, Vlog, KTV, Cartoon. WARM NOTES - 1. It is best to charge it after you receive the voice modifier 2. i9 voice changer device can be used on any mobile phone, computer, tablet iPad, PS4 game console, XBOX game console, and any game platform. But you need to confirm your device can support 3.5mm jack headphone. 3. The interface of this voice changer is 3.5mm type; it is perfect to use an audio conversion cable with a 3.5mm interface. It can be used directly on your favorite headphones, headsets 4.The interface of this voice changer is 3.5mm type, Apple iOS system needs to purchase a separate interface conversion cable to use the device. Package inclued - 1 * Voice Changer. 1 * Adaptive Earphone 1 * USB charging cable 2 * Audio cable 1 * English user manual. 1* Connection Diagram