Most spy gadgets are a lot of fun but the Professional Voice Changer is a definitely a hoot. It can be used to change your voice by making its pitch higher or lower making you either sound older or younger. The Voice Changer is so easy to use, highly portable and is compatible on all telephones.
To use, just attach the coupler to the phone’s handset and adjust your voice up by choosing from 16 different settings. Being 0 as your normal voice, higher setting will increase the pitch of your voice while lower settings will decrease it. The Professional Voice Changer measures 6 x 2 7/8 x 1.25 inches, comes in a zippered black case and is powered by 9 volts battery.