- In-line receiver amplifier- Makes low volume - Compatible with electronic and standard telephone- Complete with plug-in power supply- Easy to install- Installs between the handset and telephone- Rotary volume control numbered 1-9- Users with normal hearing should not go above 3- Improves volume up to 20dB- Do not connect directlyto a telecommunication network
- In-line receiver amplifier- Makes low volume - Compatible with electronic and standard telephone- Complete with plug-in power supply- Easy to install- Installs between the handset and telephone- Rotary volume control numbered 1-9- Users with normal hearing should not go above 3- Improves volume up to 20dB- Do not connect directlyto a telecommunication network- PearlW1010