Enjoy superior wireless connectivity and amazing sound for calls and music with the Jabra Evolve 75 Wireless Headset. It’s a telework headset with a range of up to 30 meters or 100 feet, you can work away from your desk and still maintain quality sound and service. Overcome interruptions with an integrated busy light that acts as a do-not-disturb sign for colleagues. Plus, the advanced noise cancellation microphone allows for crystal clear calls and improved agent focus. This Jabra headset works with all leading Unified Communication platforms, and is optimized for Skype for Business, Cisco, and more. Wirelessly connect the Jabra Evolve 75 via Bluetooth (also comes with USB dongle for PCs) or directly using the USB cable. Dual connectivity enables you to connect to your PC and one other Bluetooth device at the same time, so you can take the call on your preferred phone device. Enjoy the superior usability and functionality that this pro headset has to offer. Microphone frequency range: 150Hz-6.8kHz, Speaker size - 40mm, Microphone bandwith: Wideband, Battery included: Yes, Charging time: Max.120 minutes, Supporting Bluetooth Technology: A2DP (v1.2),Hands Free Profile (v1.6),Headset profile (v1.2), AGHFP. Paired Devices: Upto 8 trusted devices, 2 active stand-by Bluetooth connections.