DPA 4266-OC-F-F00-LH, Dual Ear Headset Microphone, CORE 4266 Omni Flex Headset Mic, With the DPA 66 capsule from the 4066 headset, Directivity: Omni-directional, Frequency range: 20 - 20,000 Hz, Max. SPL: 144 dB, Very comfortable and secure due to self-adjusting ear hook, 110 mm Boom, Removable cable, B-K MicroDot connector fits optional wireless and XLR connector plugs, Weight: 10 g, Colour: Beige