Box is open but the product inside is new. You will rarely find this specific product. Stay on task with the Klein PATRIOT PRO Wired PTT Headset for XP5s and XP8. Designed with the workplace in mind, it easily clips onto clothing for easy access and added security. A replaceable audio tube and ear piece keep the headset comfortable to use through your entire day. And an omni-directional microphone with noise reduction technology helps keeps each of your conversations crisp and free of distractions. For those quick calls, the PATRIOT PRO offers a large, easy-to-access and glove-friendly Push-To-Talk (PTT) button. FeaturesFull-duplex wired headsetProfessional 2-wire surveillance earpieceComfortable, all-day fitFront-facing dual PTT buttonQuick-disconnect audio acoustic coil tubeOmni-directional microphone with noise reductionReliably connects to Sonims SecureAudio ConnectorBuilt-in clipDesigned and assembled in the USAManufacturers 3-year limited warrantySpecsLength: 78 in.Weight: 88 g.Top Cable Length from Splitter: 26 in.Bottom Cable Coiled Length: 8 in.Microphone Sensitivity -36dB±2dBMicrophone Impedance Max.2.2K ? 1kHz (RL-2.2K ?)Microphone Signal / Noise Ratio +58dB @ 1kHz (0dB=1V/Pa)Microphone Current Consumption Max: 0. 5µA RL=2.2K? Vs=3.0V(DC)Microphone Max Sound Pressure Level 115dB S.P.LSpeaker Sensitivity 108 @ 1kHz (dB SPL)Speaker Impedance 200 @ 500 Hz (Ohms)Speaker DC Resistance Impedance 92 (Ohms)Compatible with Sonim XP5s and XP8 handsetsOperating Temperature -40°C - +80°C