The Serene UA-30 Portable Telephone Handset Amplifier is a great travelling companion which straps onto any telephone handset and allows you to hear telephone conversations loud and clear.

FEATURES

Easily straps onto any standard, cordless or pay-phone handset

Amplifies sounds up to 20 times (26+dB)

Digital Speech Enhancement design automatically optimizes speech clarity for unmatched intelligibility

Compact and light weight

Auto energy saving design for long talking time

Batteries and soft carrying pouch included

More Specifications (PDF)