A Bt 4 tone telephone ringer amplifier. brand new still sealed in packaging.
BT Tonecaller II 4 Tone Loud Telephone Ringer Amplifier New Factory Sealed
BT Tonecaller II 4 Tone Loud Indoor Telephone Ringer Amplifier - NEW & SEALED
BT Tonecaller II - 4 Tone Loud Indoor Telephone Ringer Amplifier - NEW & SEALED
