Telephone Amplifier Plug In
This voice amplifier plugs directly into any standard telephone to provide the user with up to 100% increase in volume. Easy to fit and operate with an on/off switch and a volume control. Ideal for those who have hearing difficulties. Requires 9V battery (not included). Length 100mm (4"). Width 60mm (2 1/2").
Depth 30mm (1 1/5").
