Sennheiser RS 120 On-Ear Wireless RF Stereo Headphones w/ Charging Stand.  Brand new in opened box.  Included AAA batteries are sold AS-IS since I cannot guarantee if they still hold a good charge.

The RS 120 wireless headphones from Sennheiser deliver spacious, well-balanced sound with solid bass response. The included radio frequency (RF) transmitter has a maximum range of 328 feet and can send its signal through walls and ceilings. That means you'll be able to enjoy your music just about anywhere in or around your home — even outside.

The transmitter doubles as a handy storage stand, and it also conveniently recharges the headset's "AAA" rechargeable batteries. The transmitter is wall-mountable, and its attached cables let you connect it to any stereo or home theater system with a standard stereo RCA output.