The Bravo View IH-03A KID FRIENDLY wireless headphones work with most Mobile Video Systems that have that have a built-in infrared transmitter. These headphones are designed to give your child the most comfortable and entertaining experience possible in the vehicle. Their multi-color design will leave your kids begging to wear them, leaving you with the peace and quite you deserve! Note: These wireless headphones are for use in motor vehicles only -they are not designed for home use. They will work with most Mobile Video Systems that have a built-in infrared transmitter. Features: Single Source Connectivity Lightweight, Around-the-ear Design Multi-level Adjustable Headband Adjustable for Kids and Adults Easily Folds for Storage Recommended age 3+ Auto Mute & Auto Power Off Personal Volume Control Specifications: Frequency Response: 20-20,000Hz IR Frequency: 2.3mHz (Left) , 2.8mHz (Right) Effective Range: up to 8 Meters S/N Ratio: ≥ 60dB Audio Mode: Stereo Speaker: 30mm Mylar Power: 2 AAA Batteries, Not Included