Type:Wireless TV Headphones, Wireless headsets, Ear Microphone AU , Home Headset, Headset with Mic, FM Wireless Transmission, Wireless Home Theatre TV Headphone This 5 in 1 wireless headphone is portable, and can be used with other devices, so you can enjoy high-quality sound anytime, anywhere. Features: This wireless headphone can wirelessly listen to computer, TV, DVD, MP3 and any audio output device. Transmitters and computer connections, which allow you freely move within the room, providing limitless enjoyment. The receiver can be used separately as an FM radio, which search and lock channels automatically, frequency stability. The transmitter can be placed next to people who need care, such as the elderly and patients, and use the receiver to listen to the voice of those being cared, for easy care. The receiver with audio cable can be used as a wired headset, strong signal, acceptable range of more than 10 meters. Equipped with a microphone that supports voice chat, which makes it easier to chat. Specifications: Material: PU, PVC Plug Type: Straight insert type Plug Diameter: 3.5mm (Approx.) Wire Length: 1.2m (Approx.) Transmitter Emission On Frequency: 86mhz (plus or minus 0.5mhz) Modulation Mode: FM Emission Distance: 30m (with no interference) Power Supply: 2xAAA Batteries or 4.5V DC (not Included ) Receiver (Headphone) Frequency Range: 86mhz for wireless headphone and 87-108mhz for Fm radio. Reception Mode: FM Distortion: 2% Power Supply:2xAAA Batteries (not Included) Package Contents: 1 X Wireless Headphone 1 X Transmitter 1 X Instruction Manual 1 X Audio Cable Please note： Equipped with a Microphone, it should not be placed near strong electromagnetic interference, such as speakers. To achieve best reception spread out transmitter audio cable of the