. Engineered for superior wireless connectivity battery life & crystal-clear calls the Engage 75 is a premium headset for professionals who need first-class customer conversations & connection to multiple devices (connects to up to 5 devices simultaneously deskphone softphone & mobile/tablet). Meets Skype for Open Office requirements & advanced noise-cancelling & enhanced speakers give incredible call quality even in noisy offices Key Product Info. Enjoy superior wireless connectivity with a range up to 150 metres &-all day battery life Advanced noise-cancelling microphone & enhanced speakers deliver crystal-clear calls even in noisy offices Overcome interruptions with an integrated busylight that acts as a do not disturb sign for colleagues Increase your availability for customer calls Choose your wearing style from stereo mono & lightest-in-category convertible models Product Features Industry-leading wireless performance Provides superior wireless connectivity to a range of 150 metres enabling 3x more users in the same office space with no loss in connection quality. Work away from the desk & still maintain a connection that won't let you or your customers down. Crystal-clear calls Advanced noise-cancelling microphone & enhanced speakers deliver crystal-clear calls even in noisy offices. Connect to up to five devices simultaneously You can connect to a deskphone softphone analogue phone & 2 Bluetooth devices. Choice of wearing options to suit every workstyle Soft ear cushions & additional padding on the headband provide all-day comfort & a secure fit. Premium usability & build Easily answer & end calls mute & adjust volume using the intuitive controls on the headset. What's in the box?. Jabra Engage 75 Stereo Power adapter base unit