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.

Technical Details

Product Details

Package Dimensions
Width : 3.9 inch
Height : 0.12 inch
Length : 5.98 inch

Shipping Weight: 0.8 ounce (View shipping rates and policies)

ASIN : B01M3TP6U9