Ripl One Headphones include the first tactile stimulation module, or subwoofer, that sits on the neck and converts low frequencies into vibrations. Use the connecting cable between the module and headphones to adjust the audio volume going into your ears. Each kit includes:
 
Ripl Over Ear Headphones
Ripl One Wireless Module
Headphone Attachment Loops (2x)
Connecting Cable With Sliding Volume Control
Ripl Soft Carrying Bag
Hard Shell Case