2-channels RF wireless TV headphone with three colors for optional

VHF/RF Wireless Headphone with Automatic Mute Function

In-Car IR Wireless Stereo Headphone with Built-in 40mm Mylar Speakers (Dual-channel)

In-Car IR Wireless Stereo Headphone with Built-in 40mm Mylar Speakers

Car RF Dual-Channel Stereo Headphone System with Double PLL Technology

In-Car IR Wireless Stereo Headphone with Inner Headpad and Built-in 40mm Mylar Speakers