Poly / Plantronics Poly Calisto 5300 - USB-A Bluetooth with BT600 Dongle

Wireless portable speaker with USB-A connection (PC) and Bluetooth (smartphone) With 360 ° microphone for quality conferences Full duplex audio with echo cancellation Autonomy: up to 16 hours of conversation (bluetooth) or unlimited with USB cable Call status with visual prompts Compatible with any softphone Includes BT600 Bluetooth dongle