Sennheiser RS 110 RF Stereo WIRELESS Headphone System CLEAN +FREE Fast SHIPPING! | eBay
Sennheiser RS 110 RF Stereo Wireless Headphone System Brand New In Box 615104099180 | eBay
Sennheiser RS110 Mod | Headphone Reviews and Discussion - Head-Fi.org
User manual Sennheiser RS 110 II (English - 32 pages)
Sennheiser RS 110 Over-Ear Headphones, Open Cup, Volume Control with 6.3 mm (1/4") Stereo Adapter, AC Power Adapter, Transmitter Unit, 2 AAA batteries, Black, Silver, 009917 - Walmart.com