The Jabra Speak 510+ is a unique portable speakerphone enhanced with Bluetooth. It is an update to the popular Speak 410 conference phone. Features extended battery life, Bluetooth connectivity,lots of control buttons and a high-quality omnidirectional mic. Jabra Speak 510+ is an ideal solution for anyone needing natural audio conferencing on the go. This speakerphone is designed to work with Bluetooth Mobile Devices. Speak 510 Features: Bluetooth Speakerphone True Wideband Sound Compact Design Bluetooth A2DP - Multimedia Streaming Intuitive On-Device Call Controls - Mute Button - Bluetooth Enable/Disable Button - Increase Speaker / Ringer Volume Button - Decrease Speaker / Ringer Volume Button - End Call Button - Turn On/Off Button - Answer Call Button - Set Ringer Volume Button External Ringer Rechargeable Battery - 15 Hours Talk time Headset Port Battery Status Indicator High-Quality Omnidirectional Mic Compatible w/ Unified Communications Solutions & VoIP Clients Works w/ PC's & Bluetooth Enabled Devices Includes: Speak 510+ Link 360 Bluetooth Adapter USB Cable Travel Case Recommended Accessories: QD to 3.5mm Adapter (Use Jabra Headset for private conversations) BIZ 1900 Corded Headset