Walker W6-500M-00 (50069-001) The W6 handset has an amplified receiver controlled by a rotary (thumb wheel, shown) volume control. The electronic circuitry is completely contained in the handset Key Benefits The W6 amplified handsets are for added receiver volume in noisy surroundings, poor line quality and for the hearing impaired. They include a carbon compatible transmitter for clear transmission and are hearing aid compatible. The W6 volume control level is fixed until the thumb wheel is rotated. Quick and easy installation - the Walker W6 amplified handsets simply replace your old handset. The W6 handset is available in G (round) or K (square) styles. (Noise canceling W6-500M-NC-1 available as an optional feature.) Color: Black