Terisass Wireless Car Headphones, 2 Channel IR Wireless Headphones for Kids, in Car Wireless DVD Headphones

Features: 1. Wireless infrared stereo headset for car, which is a wonderful accessory. 2. Ergonomic design, it is comfortable to use. 3. Auto power mute and auto off headphone function, which is convenient for using. 4. Foldable and lightweight design, convenient to carry and store. 5. Stereo for Audio model, which has clear sound quality and will give you great using experience. Specification: Condition: 100% Brand New Two Channel: Channel A: 2.8 MHz for the right channel; 2.3 MHz for the left channel Channel B:3.8 MHz for the right channel; 3.2 MHz for the left channel Speaker: 30mm for Mylar Cone Impedance: 32? ± 15% Effective Range (maximum): About 10 Meters Power Source: 1 X AAA Battery (not Included) Signal Noise io: ?70dB Channel Sepa ion: ?40dB Frequency Response: 30-20,000Hz for Audio Model: Stereo Automatically turn on when the wear and shut down when take it out of function  Package List: 1 x Infrared Earphone   Note: 1.for Audio cable and batteries is not included. 2. The infrared headphones is mainly used for the car DVD, if you need it for the TV, please buy transmitter to pair with the headset, otherwise the headphones will not work at all.