High Device Compatibility: This sound device can be used on any mobile phone, computer, tablet, for Switch, for iOS system, for Android mobile system and any gaming platform. When using the voice charger with a PC, you need an adapter. The interface of this voice changer is 3.5mm, and the for iOS system needs to purchase an interface conversion cable to use it. Giving a Surprise: This voice changer can make your life more interesting. You can connect it to your phone or other applicable equipment to disguise your voice when you're talking to others. You can even play different characters in the game to surprise your friends. Portable: This sound card is very small, easy to carry, plug and play, also very easy to use, and there is no need to install any drivers, just connect this sound converter to other devices and your sound will change to the way you want. 8 Built In Sound Effects: The sound card comes with 8 interesting sound effects, you can get interesting sound effects just by pressing the button of each sound effect. The eight sound effects are applause, kiss, laughter, cheerful, surprise, fright, crow, and times. The voice changer uses LED lights, which are very cool, and the lights have a separate button control to turn off. 8 Different Sounds: This handheld voice changer has 8 different voice changes, male to female, female to male, normal, lolita, baby, youth, king, witch. You can also use the fine tuning button to adjust each sound for more different sounds.