✓ SOUND QUALITY: High quality audio for best possible sound; Crystal clear sound without echoes or or distorted sounds even at max volume level; Up to 15 hours talk time. ✓ COVERAGE: Jabra Bluetooth speaker with microphone with 360-degree coverage enabling hands-free collaboration & allowing attendees to hear and be heard from all angles. ✓ CONNECTIVITY: Portable Speaker with Plug-and-play connectivity to PC Softphone/MS systems; Seamless integration and call control with leading MS systems/PC softphones, such as Microsoft Lync, IBM Sametime, Cisco, Avaya and Skype. ✓ JABRA BUNDLE OF 4 ITEMS: Jabra Speak 510 wireless bluetooth speaker, Bluetooth Dongle, Microfiber Cloth and Gold Support Plan Provided Exclusively By Global Teck.