Specification :

Introduction:
* Specially designed and user friendly button.
* Electronic sound volume control suitable for noisy environment.
* Speak and listen volume control.
* Manual/ Auto answering
* Different ringtone for external and internal call
* Recording interface for connecting to any voice recording system
* Flexible transfer depending on the telephone switch timing, choose between 100ms/ 300ms
* Headset stands to prolong lifespan of the headphone.