Call One, Inc - Our YouTube Community has been requesting a comparison video of the Sennheiser MB 660 and the new EPOS Adapt 660. Here it is! And we included the Adapt
Sennheiser MB 660 UC MS Wireless Adaptive ANC Headset Brand New with BTD 800 USB | eBay
Sennheiser MB 660 UC - Dual-Ear Headset with Noise-Canceling Microphone - Includes USB Bluetooth Dongle | Headphone Reviews and Discussion - Head-Fi.org
Sennheiser MB 660 UC MS Wireless Adaptive ANC Headset Brand New with BTD 800 USB | eBay
Sennheiser Bluetooth Headphones with Microphone MB 660 UC with Active Noise Canceling - Global Teck
Sennheiser MB 660 Carry Case | 507228 | £30.00
Sennheiser MB 660 Bluetooth Headset with Noise-Canceling Microphone
Sennheiser MB 660 MS - headsetaudio.dk
Buy EPOS | Sennheiser MB 660 ML Bluetooth headset with Active Noise Cancelling