2.5mm jack curly clable with Plx QD "Works with Ciso SPA Series and other Cordless phones with 2,5mm Standard Headset Port.(3 poles with 2 black bands), No Smart phone use. Works with Grandstream ...
However, a high-quality gaming headset is ... enjoy wireless freedom with your mobile device. Communication is crystal clear, thanks to the clearcast microphone, designed with bidirectional noise ...