Amazon.com: 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 : Electronics
Amazon.com: Sennheiser RS120 II On-Ear Wireless RF Headphones with Charging Cradle : Electronics
Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Sennheiser RS120 II Wireless Headphone Transmitter - US Plug : Tools & Home Improvement