D-Ring Headset Radio Earpiece

For daily comfort wear and secure wear, the D-Ring style earpiece provides clear audio discreetly.. Simple and cost-effective design.  Available in 1-wire option for earpiece, microphone, and push to talk button.

Highlights:
1) Easy for both ears to wear; 
2) Reliable PU wire designed with bullet-proof material, Kevlar, 
3) Metal clip on the PTT back clips securely onto collar; 
4) Volume adjustment capability; 
5) Swivel microphone tube for flexible adjustment; 
6) Soft earset made of TPE materials without hurting the skin.

Speaker specifications:
Sound Pressure Level: 95±4dB@1KHZ 20mw (finished product)
Power: 50mW(rated)/100mW(max) 
Impedance: 150Ω±15%@1kHz
Microphone specifications:
Sensitivity: -42±3dB@1kHz,0dB=1V/pa
Impedance: ≤2.2kΩ@1kHz
Operating Voltage: 1–10VDC
PTT Life Circle: ≥100,000 times

Operating Temperature: -20 to 60℃

Application: for users engaged in retailing, entertainment, hospitality, food service and community management industries, as well as public security areas.