Superior audio for larger conference calls, unique ZoomTalk microphones ensure everyone is heard with up to 15 attendees. Premium UC experience, set up in seconds with out-of-the-box compatibility for all leading UC platforms. HD Voice provides crystal-clear sound without echoes or distortionseven at max volume. 3.5 mm connection to laptop or smartphone The Speak 810 is the professional, intuitive UC compatible conference call speakerphone for meeting rooms. With USB, Bluetooth® and 3.5 mm jack connectivity to smart devices and laptops, you can connect in seconds to keep your meeting agenda on schedule and keep all attendees engaged.Engineered for crystal-clear sound and plug-and-play connectivity, the Speak 810 is a premium, professional stationary conference speakerphone with USB, Bluetooth®/NFC and 3.5 mm jack for PC, smartphone or tablet connectivity. Provides in-room coverage for up to 15 people. Unique ZoomTalkmicrophones, for excellent audio quality, detect the human voice