Features : * Amplify the sound of hearing for elder person * Power key ( ON, OFF, Noise Free ) * Volume control from 1 to 6
Advantages :
* Rechargeable Li battery for 12 hours hearing operation - Saving cost for disposable battery replacement
* Dual rechargeable ways - charging by AC/DC adapter for indoor use - charging by Alkaline battery for outdoor use
* Noise Free ( NF ) Technology
* Volume control from 1 to 6
* Wearing suitable for both right & left ear |