Jabra Evolve 75 Stereo Active Noise Cancelling Headset Optimised for Skype for Business, this Jabra Evolve 75 headset features world class speakers for crystal clear calls with superior active noise cancellation. The headset also features an integrated busylight to alert others when you are on a call. The dual Bluetooth feature allows you to connect to 2 devices at once within a 30m range. The leather feel ear cushions provide comfort even over protracted use.