Amazon.com: Sennheiser Consumer Audio BTD 600 Bluetooth® Dongle - USB-A/USB-C Adapter with AptX Audio Codecs for Stable, Sound - Listen to Music, Make Calls, and Watch Videos : Electronics
EPOS Sennheiser BTD 800 USB Dongle
Amazon.com: Sennheiser Consumer Audio BTD 600 Bluetooth® Dongle - USB-A/USB-C Adapter with AptX Audio Codecs for Stable, Sound - Listen to Music, Make Calls, and Watch Videos : Electronics
BTD 800 USB ML
Amazon.com: EPOS Enterprise BTD 800 USB | USB-A Bluetooth dongle|Connect Any Bluetooth Audio Devices Your PC/Mac with a Rapid Bluetooth Connection via This USB-A Dongle, Black : Electronics
Replacement sennheiser dongle? : r/headphones
Sennheiser BTD 800 USB Dongle - accessories - Japebo.com
Amazon.com: Global Teck Bundle EPOS - Sennheiser 230 Mono Bluetooth Headset with USB Dongle BTD 800, UC, Teams Certified, Connects to Deskphone, PC/Mac, Smartphone and GTW Microfiber : Musical Instruments
Amazon.com: EPOS Enterprise BTD 800 USB-C |Connect Any Bluetooth Audio Device to Your PC or Mac and Tablet via This USB-C dongle, Black : Electronics
Sennheiser BTD 800 USB ML Dongle
EPOS | Sennheiser BTD 800 USB-C ML Bluetooth dongle (1000206)