The OEM Compucessory Headset CCS15154 is designed for clear communication with your associates, featuring a built-in microphone. It has a 3.5mm input that fits a variety of devices, making it versatile for different setups. With a 27mm driver unit, it offers a frequency response of 20 Hz to 20 kHz and an impedance of 32 Ohm. The headset comes with a 5.92 ft cord for ample reach in various environments.