You will receive 2 wireless headphones. Enjoy music, movies and more! With these wireless infrared folding headphones. Automotive Grade IR Headphones: Will work on any vehicle that uses infrared headphones. No programming required! Simply turn on the headphones and they will connect to your vehicles rear entertainment system. IR Sensors: Uses high frequency infrared light to assure great sounding clear reception. Sound control: Each headphone has it's own volume control to suit your listening needs. Automatic Shut Off: Headphones will automatically shut off after approximately 3 minutes when no audio is detected to ensure maximum battery life. Fold-up Design: Headphones fold up neatly for compact storage. Comfortable Fit: Soft padded ear pieces and an adjustable headband ensures a comfortable fit for hours of listening enjoyment. Two Channel: Will do everything a one channel headphone does but gives you the option to change between two different audio sources. For example, if you have two LCD screens in your vehicle and you want passengers to be able to watch two different shows, you will need a two channel headphone. 3.5mm Auxiliary Port: With this added feature, you will be able to use these headphones with any device that uses a standard 3.5mm auxiliary port. This allows you to plug these headphones into your Ipad/pod, MP3 player, Leap pad, or any device that uses a standard 3.5mm headphone. You will need a double male standard 3.5mm auxiliary cord (not included). Simply plug one end into your device and the other end into these headphones. These headphones do not require batteries when plugged into a device with an auxiliary cord. Batteries: Requires two AAA batteries when used wireless. No batterries required when used with auxiliary cord. On-Off Buttons: Each Headphone has it's own On-Off button with a power on indicating light. Headphones will shut off automatically when accidentally left on.