2Pack IR Wireless Headphones for Car DVD Player,Universal

The product information is as follows:

Name:2Pack IR Wireless Headphones for Car DVD Player Headrest Video,On-Ear Infrared Headphones Headset Universal (Black)
Adjustable leatherette padded headband and lightweight construction for comfort.
Design for rear seat car entertainment (over-head video and headrest dvd), support Infrared wireless connection via IR transmitter ( battery needed,not included),dual channel and intuitive volume control for the setup.
UNIVERSAL COMPATIBILITY - Compatible with for Volvo,for Dodge,for Chrysler,for GMC Yukon,for Cadillac Escalade,for Uplander,for Tahoe,for Acadia,for Buick Enclave,for Pontiac Montana SV6,for Terraza,for Saturn Relay,for Equinox,for TOYOTA,for LEXUS,for Honda and more car DVD players / aftermarket Headrest video player (DO NOT SUPPORT DIGITAL IR system and wireless playback for portable DVD players).
You can use it to connect the car stereo or CD DVD players, for iPad,smartphones.

Single channel
Carrier frequency:
A channel: 2.8MHz for right channel; 2.3MHz for left channel
B channel: 3.8MHz for right channel; 3.2MHz for left channel
Speaker: 30mm mylar
Cone impedance: 32 ohm +/- 15%
Effective range (maximum): about 10 meters
Power source: 1 x AAA battery is enough
Automatically turn on when wear and turn off when take it off function
S/N ratio: greater or equal to 70dB
Channel separation: greater or equal to 40dB
Frequency response: 30 ~ 20,000Hz
Audio model: stereo
Colour: black
Material: ABS

Package Contents:
2 * IR wireless headphones

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.