Walker W10BP-44 - In Line Telephone Handset Amplifier Battery Powered - Ash
The W10BP easily installs between the existing telephone base and the current handset, and improves listening volume up to 20dB for clearer reception It uses a rotary (thumb wheel) volume control to adjust to individual hearing needs. (W10bp is Battery Powered.) Portable for travel and is compatible with electronic or standard phones. (The dial pad must be in the base of the phone.) Perfect for the hearing impaired.