Enjoy professional-quality conference calls with this powerful speakerphone. Plug-and-play Connect to any device and be ready to talk in seconds. Works best with up to 15 people in one room. ZoomTalk Microphones Forget about echoes background noise and distortions – ZoomTalk microphones focus on the talker and pick up only their voice. Crystal Clear Sound Enjoy crystal-clear calls with Digital Signal Processing that filters out background noise. Your conversations will sound vibrant and lifelike thanks to HD sound. Bluetooth Class 1 Easy Bluetooth connection to tablets and mobile phones. Range of up to 30 meters on Class 1 devices. Built-in 3.5 mm jack plug connect to any smartphone and tablet instantly. Digital Signal Processing technology and Wideband Audio/HD Voice Crystal clear sound without echoes or distortions – even at max volume. Full compatibility with UC systems; 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 human voice and not noise.