Patriot Noise Canceling Surveillance Earpiece for Sonim Phones
Built for the Sonim phone series. Functions include Push-To-Talk (PTT) with crystal clear audio
The Patriot uses an armature device that acts like a piston going up and down to create the sound and eliminates most of the bass, which is only needed when listening to music, optimizing the high frequencies for voice clarity
Features :
Balanced Armature Magnetic Receiver
Noise Reduction Knowles Microphone
Dual Front PTT
Kevlar Reinforced Cables
Full Service 3 Year Warranty
Not compatible with Sonim IS (intrinsically safe) phones