BT600 2 in 1 Bluetooth 5.0 Transmitter Receiver Plug And Play Audio Adapter Portable For TV PC Headphone Mobile Phone MP3 Player|Wireless Adapter| - AliExpress
poly Voyager Focus 2 UC Series Bluetooth Headset User Guide - Manuals+
SUNSKY - BT600 USB Wireless Audio 2 in 1 Bluetooth 5.0 Receiver & Transmitter Adapter
Buy Poly - Sync 40+ Bluetooth Smart Speakerphone (Plantronics) - Flexible Work Spaces - Connect to PC/Mac via Included BT600 Dongle & Smartphones via Bluetooth - Works with Teams (Certified), Zoom &
Manual Plantronics Voyager Focus UC (page 1 of 16) (English)