Conference Calls Made Simple; Collaboration Made Easy | Professional stationary speakerphone with crystal clear sound for larger conference rooms, Superior audio for larger conference calls, Premium UC experience, Seamless Connectivity | Bluetooth Class 1 - Easy Bluetooth connection to tablets and mobile phones. Range of up to 30 metres on Class 1 devices | Connect to Smartphone/Tablet with 3.5 mm Jack - Plug the attached 3.5 mm jack cable into the headset port on your mobile device | Digital Signal Processing (DSP) Technology - Crystal clear sound without echo or distortion - even at maximum volume level | Full compatibility with UC systems and VoIP clients - Seamless integration and call control with leading UC systems/PC softphones, such as Microsoft Skype for Business, IBM Sametime, Cisco, Avaya and Skype | USB charge out port - Recharge your smartphone or tablet during your presentation | ZoomTalk Microphones - Intelligent directional microphones that focus on the human voice and not noise