HCDZ IR Headphones for Cadillac Escalade EXT ESV XT5 CTS SRX Rear Seat Headrest DVD Entertainment System

What’s in the package: 1 X headphone , no battery and instructions included
it will work straight away when new batteries inserted
●Do not leave the headphone in an extremely hot or humid place.
●Do not use a new battery with an old one.
●If you don’t use the headphone for an extended period of time, remove the batteries to avoid possible damage from battery leakage and corrosion.
IR headphone for car DVD Entertainment System ,If your old headphone isn’t use IR ,please don’t purchase .
No batteries and instructions included
No programming needed
Easy to Use, Just put in fresh batteries , then it will work .