Ships from and sold by Electronics Expo. Good price - if bought from seller amazon it'd be $66.
Amazon.com: Sennheiser RS120 926 MHz Wireless RF Headphones with Charging Cradle: Electronics
'The Sennheiser RS-120 Wireless Headphones are an ideal choice for wireless use of both Hi-Fi audio and the TV. The open-ear headphones are supraaural and provide detailed, warm sound reproduction with a strong bass response. The headphone receive sound through walls and ceilings so you won't have to remain in the same room as your equipment. Power comes from NiMH batteries that are recharged by simply putting the headphones on their transmitter base that can be mounted to a wall. The entire system weighs just 8.1 ounces, and it comes with a two-year warranty.'
Sennheiser RS120 926 MHz Wireless RF Headphones $54.47 + ship at amazon 
