SENNHEISER HD 450BT Bluetooth 5.0 Wireless Headphone with Active Noise Cancellation - 30-Hour Battery Life, USB-C Fast Charging, Virtual Assistant Button, Foldable - White - Walmart.com
Amazon.com: Sennheiser RS 175 RF Wireless Headphone System for TV Listening with Bass Boost and Surround Sound Modes,Black : Electronics
Sennheiser HDR 120 Extra headset for RS 135-9 wireless headphone system at Crutchfield
Sennheiser M4AEBT Momentum 4 Wireless Headphones - White | Sweetwater
EPOS I SENNHEISER ADAPT 460T - wireless earphones with mic - neckband - black - 1000205 - Wireless Headsets - CDW.com