`- Clarity in-line receiver amplifier
- Increases incoming call volume up to 40dB (increases incoming volume up to 100 times)
- Tone selector for maximum speech clarity (amplifies selective frequencies)
- Connects between handset and phone base
- Compatible with most home and office telephones with modular handset cords
- Cannot be used with telephones with dialing pads in the handset
- Turns on automatically when you lift the handset
- Low battery indicator (red LED)
- 9V battery included
- Slide volume and slide tone controls
- Boost button eliminates background noise and feedback for extra loud and clear conversations
- White
CLARITYHA40