... Supply :DC2.2V~3.3V Receiving Frequency:L/2.3MHz,R/2.8MHz Infrared Wireless Stereo Headset (1CH), applicable to vehicle1、Power ... Supply:DC2.2V~3.3V2、Working Current:25mA±5mA3、Receiving Frequency:L/2 ... , CD, VCD, DVD, Mp4, computer and other built-in infrared audio modules are compatible withPackages Material :Weight: 0.325KG carton ...