Sennheiser RS160 Headband Wireless Headphones Black 502873 Contents: Headphones, Receiver, Battery, AC Adapter, Cable, Manual. Used Tested Working Product Information Enjoy listening to your favorite music with the Sennheiser RS 160 wireless headphones that come with an extra HDR160 headset, which lets four people to join the musical ride at a time. Designed with optimum precision, these Sennheiser headphones prevents all the background noise to deliver sharp, crystal clear notes. This Sennheiser RS 160 offers handsfree operations, thanks t