Feature:1. High Compatibility: Wireless headphones receive wirelessly through any electrical device with audio output, such as full frequency TV sound, PC, game player, etc.2. Multifunctional: Features include wifi chat and monitoring of activity in the room. Built n FM radio. A must have for multimedia lovers!3. Practical Device: Wireless displays, which place transmitters near infants, the elderly and the sick in need of care, allow the receiver to hear the caregiver's voice.4. Superior Sound Quality: Wireless headphones allow you to listen to TV shows or music without disturbing others. The woofer and HiFi sound effects are a wonderful treat.5. FM Radio: Headphones can be used as an FM radio alone, automatically searching and locking channels. And it has clear stereo sound effects are available6. Convenient to Use: Headphones come with 3.5mm stereo and RCA plug. This wireless headset is equipped with audio cable and can be used as a wired headset.Specification:Item Type: Wireless HeadphonesMaterial: ABSTransmitterTransmission Frequency: 860.5MHzModulation Mode: FMTransmission Distance: Approx. 30m/98.4ft (No Interference)Emitter Power Supply: 4.5V DC Cable Power Supply or 2 x AAA Batteries (Not Included)Applicable: Any Audio And Visual Device With Audio Output Socket, Such As TV, Audio Equipment, DVD/VCD Player, Multimedia PC, etc.Receiver (Earphone)Frequency Range: Wireless Headphone 86MHz, FM Radio 87-108mhz.Receiving Mode: FMDistortion: < 2%Power Supply: Cable Powered or 2 x AAA Batteries (Not Included).Package List:1 x Wireless Headphones 1 x Transmitter1 x 3.5mm Audio Cable1 x User Manual