4 Pack of Two Channel Folding Universal Rear Entertainment System Infrared Headphones Wireless IR DVD Player Head Phones for in Car TV Video Audio Listening

Note: It is IR headphone don't support bluetooth. You will receive 4 EINCAR Wireless Infrared Headphones. Enjoy music movies and more!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. Features : * IR sensors: uses infrared light to assure great sounding clear reception.* Sound control: equipped with its own volume control to suit your listening needs.* Folding design: headphones fold neatly for compact storage.* Comfortable fit: soft padded ear pieces and adjustable headband fits all head sizes and ensures a comfortable fit for hours of enjoyment.* Two channels: 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.* If you use 3.5mm auxiliary port: with this added feature you will be able to use these headphones with any device that uses a 3.5mm auxiliary port. This allows you to plug these headphones into your MP3 player or any device that uses a standard 3.5mm cord. Simply plug one end into your device and the other end into these headphones.No batteries required when plugged into a device with an auxiliary cord. PLEASE note: Volume is controlled when using an auxiliary cord by the device it's plugged into.Batteries: requires 2 AAA batteries when used wireless.On-off buttons: each unit has its own on-off button with a power on indicating light. EINCAR Wireless Universal Infrared IR Car Headphones for Any Car Monitor These are dual channel headsets which means you can use multiple of these at the same time while having each headset listening to a different source. If you have dual DVD headrests or video games built into one of your monitors then this is the best solution for you. Thoughtful features like a light-weight design comfortable leatherette ear pads and a foldable design for easy portability are just the beginning. The best part is how good they soun How to Use the IR Headphone?