. The Evolve range of headsets from Jabra are VOIP UC headsets designed for softphones & computer use its unique feature of this range of headsets is the enhanced concentration they provide with large earcups & premium noise cancellation providing a 'concentration zone' around the wearer. Particularly useful in noisy open office environments. Models across the range are available either Mono (single ear) & Stereo (dual ear) standard UC (Unified Communications) or MS (Microsoft Lync Optimised) & some models feature a 'busy' (in use) light warning your colleagues you are on a call or busy. The Evolve range are also designed for both music & voice further blocking out background distractions & enabling to work in your 'own zone' day in / day out! This Evolve 65 is the Wireless version in this range featuring Bluetooth connectivity & simple NFC pairing (Near Field Communications). With up to 100 ft / 30 m range & a battery life of 10 hours (3 hours full charge). You can use this headset with your PC/VOIP phone (requires Bluetooth or the Jabra Link 360) & dual pair to one other Bluetooth device (i.e. your Mobile or Tablet) & then simply switch between them. Additional features are leatherette ear cushions busy light (indicating in use/busy) & full Stereo Sound as well as Premium Noise Cancelling microphone boom that can be integrated into the headband when not on a call or simply listening to music. Also comes with soft carry pouch..