THE NEW Automobile, Vehicle DP VIDEO IR180D Universal IR Wireless Foldable Headphones for In-Car Video Listening Head Phone One Size New 2 BATTERIES INCLUDED Swivel Flat Design Touch On/Off Switch + Volume Control Extra Headband Caushion Powerful 40mm Mylar cone speaker Impedance: 32 Ohms+/-4 Ohms Automatic Power Off if no signal (Save battery life) Automatic Mute (No Noise Circuit Design) Battery included