With this voice modulator you can hook up to cell phone and disguise voice when talking to others. Use It To Troll Friends Which can make lots Of Funny Reactions,Especially during online games. It is close to a Professinal voice changer\r\n With the button Ad1/Ad2,you can adjust the voice effects like this-for example when using man to woman effect, if it doesn\'t sound like woman tune, by pressing Ad1/Ad2 to adjust the effects. it can become deep voice if keeping pressing Ad2 button. In the other way round, if keep pressing Ad1 button, your voice sound like a baby. Same way for each voice mode, Male - Female - Baby - Deep.\r\n\r\n Note: 1.When using the voice changer please make sure connect correctly to the device.\r\n 2.Must need GOOD quality Earphones/Headsets(that has bendable Mic would be great) so as to get the best effects out of the voice changer device\r\n 3. If using headsets , better with an Adjustable/BENDABLE Mic so that you can get it close to your mouth and no need to yell when playing online PS4/XBOX ONE games\r\n\r\n What is in Package?\r\n 1 Piece x USB cable(USB charging and used for PC)\r\n 1 Piece x data cable(used for PS4 controller and phone)\r\n 1 Piece x Voice changer device\r\n 1 Piece x Manual instruction