EWN09 Audio Details Technical Specifications Wireless Earphone, Neck Loop, Microphone and PTT (Beige)Wireless earphone, neck loop, microphone and PTT ideal for discreet communication (Beige). Consists of EWN10 and POA42Find a dealerHighlightsFunctionsTechnical SpecificationsEWN10Microphone sensitivity -32dB ±3dB @1KHz, PTT cycles >10,000, impedance 2.2KΩ.POA42Speaker sensitivity 92dB ±3dB @1KHz, operating time 80h, operating temperature -10°C to +40°CRelated Products PD702i UL913 PD702i PD982i PD752i