Uxcell RJ11 Socket Loud Telephone Ring Speaker and Ringtone Amplifier for Landline Telephone
Wonderful Ringtone Amplifier. OFF/on switch of the RJ11 Ringtone Amplifier for ringer sound. To increase the volume of telephone ring in noisy places. The lamp flasher is offered to avoid the ring noise in a quiet environment. Need another adapter for UK buyers. Please connect the c/o line plug with ringer's jack. The ringer's plug connect with telephone. Volume low-high switch.
