IR8387 IR Wireless Headphone Wireless Car Headphone

IR8387 IR Wireless Headphone for car

Function:
Light weight headset for comfortable wearing.
Automatic muting design on receiving headphones.
Headphone Specifications:

IR system carrier frequency:
A channel: 2.8MHz right channel; 2.3MHz left channel.
B channel: 3.8MHz right channel; 3.2MHz left channel.
Speaker: 40mm mylar.
cone Impedance: 32 ohms +/- 15%.
Effective range (maximum): about 10 meters.
Power source: batteries UM4 x 2 (optional).
Battery life: about 48 hours.