QERMULA Amplifier Landline Phone Bell Ringer Extra Loud Telephone Ring For The Old Elder Beige

❀ This product is made with superior electronic material,designed by high technology. ❀ It has preety appearance,stable function,loud and clear sound,suitable for using in the noisy places. ❀ Connected it with the telrphone line,no other electric power is needed. ❀ It helps the hearing-impaired, the heavy sleepers, and people who love wandering far from their phones. ❀ Package includes: 1Pc x Phone Bell Ringer