Product: AKOAK Loud Sound RJ11 Telephone Ring Ringer Amplifier Telephone Answering Accessories for Landline Telephone
Brand: AKOAK
This portable Telephone Ringer goes between your telephone set and the wall phone line to boost the volume of the ring.
The RJ11 Telephone Ringer wonders in pronouncing incoming calls particularly in noisy places.
It helps the hearing-impaired, the heavy sleepers, and people who love wandering far from their phones. 
Note:Package only included one ringer,no another cables included!

Package Include:
1 x RJ11 Telephone Ring Ringer Amplifier
The Telephone Sound Amplifier can give out clear and loud sound and it can be used in the noisy places.
Volume: 75dB.
Size:9.3cm long ( at the longest ), 5.6cm wide ( at the widest ), 2.7cm thick. ( at the thickest ).
This portable Telephone Ringer goes between your telephone set and the wall phone line to boost the volume of the ring.
It helps the hearing-impaired, the heavy sleepers, and people who love wandering far from their phones.

Search query: phone ringer amplifier
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