JABRA Evolve 65 SE UC Stereo Headset 80014071 6599-839-409 Product Description: Jabra Evolve 65 SE UC Stereo - headset Product Type: Headset - Bluetooth - wireless - USB Compatibility: Mac, Windows Recommended Use: Portable electronics, computer - communication Headphones Form Factor: On-ear Connectivity Technology: Wireless Wireless Technology: Bluetooth Bluetooth Version: Bluetooth 4.0 Sound Output Mode: Stereo Sound Effects: HD Voice Audio Specifications: Frequency Response 150 - 7000 Hz - Sensitivity 93.6 dB Max Input Power: 10 mW Microphone: Boom Microphone Operation Mode: Uni-directional Microphone Noise Cancelling: Yes Controls: Mute, volume, status indicator, on/off, answer/end, reject call Software Certification: Optimised for UC Manufacturer Warranty: 2-year warranty Designed For: Jabra Evolve; LINK 380a MS