H-S-Telephone / Telephone

Problem:
A lot of old person hard of hearing.They often can not hear clearly
voice on the phone and make communicate difficult.
Solve problem:
This is a fixed telephone for the seniors design which could solve this problem .It's modeling come from
classical telephone,and give people a nostalgic feeling.The telephone receiver is a closed headphone.Users
can hear the voice more clearly. There have a mircrophone on the earphone.Just pick up the earphone to answer
the call, when you want hang up ,just put down earphone.It's convenient to use.