This device allows a user to change their voice pitch when using a standard wired telephone by switching between high, low, and normal pitch settings. It installs directly onto a telephone line without additional power and includes number keys and other standard phone buttons. The compact device measures 155mm x 55mm x 60mm and includes a back brace for wall mounting.

1. Wholesale Voice Changing Telephone - High + Low Pitch Voice China Manufacturer Specifications Voice Modulation Switch: High Pitch Low Pitch Off Keys 0~ 9 Numbers * and # Keys Standard Wired Phone Installation Back Brace for Wall Mounting Power Source: Direct From Telephone Line Dimensions: Closed 155mm x 55mm x 60mm (L x W x D)