Sennheiser RS 120 II Wireless Headphone Package – Gearwise – AV & Stage Equipment
Amazon.com: Sennheiser RS120 II On-Ear Wireless RF Headphones with Charging Cradle : Electronics
Sennheiser RS 120-W On-Ear Wireless Headphones for Crystal-clear TV Listening with 3 Sound Modes, Lightweight Design, Easy Volume Control, 60 m Range and Convenient Transmitter/Charger Combo - Black - Walmart.com
Sennheiser HDR 120 Wireless Headphones w Transmitter/Charging Base * - electronics - by owner - sale - craigslist