Jabra Evolve2 65 Flex Headset - Stereo - WirelessJabra Evolve2 65 Flex Headset Stereo Wireless Bluetooth 98. 4 ft (30 m) 20 Hz to 20 kHz On ear Binaural Supra aural MEMS Technology, Noise Cancelling Microphone Noise Canceling VPN: 26699 999 989 01 SKU: AC754583 UPC: Loading These supra aural Evolve2 give you the comfort of portability Boom microphone is designed in such a manner that it will never miss a word you say Hear every detail crisp and clear with a frequency response of 20 Hz 20 kHz