link 1.0 Djem Guerreru Inc. https://www.djemguerreru.com 21600 JOITO's https://www.joitos.com https://cdn.joitos.com/GENERAL/17/174/1741/17417796.V0.jpg 400 250 https://www.joitos.com/item/34810089/50800%2E001%2DIn%2DLine%2DAmp%2D%2D%2DBlack - Walker 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 31.29 USD 1 Electronics & computer--Phone & telecom--Other