Hearing Measure Pro could measure hearing age by phone without any peripheral

Without any peripherals Hearing Measure Pro measured directly through the mobile phone:
★ hearing health
★ hearing age

It does not require any peripherals only use a mobile phone.

More information
For more product information and videos check out:
http://www.4freeall.com

Facebook:
http://www.facebook.com/4freeall/

Twitter:
http://twitter.com/4freeAll