Wireless Headphones for TV Watching with Transmitter and Decoder 5 in 1 TV Over Ear Headset 98ft Wireless Range FM Radios Monitoring Wired Headphones Transmitter with Fiber Optic Port Coaxial Port Transmitter Base Transmitter Frequency: 86±0.5 MHz Modulation Mode: FM Transmission Distance: 98ft (with no interference) Power Supply: 2 x AAA Batteries(not include) or 4.5V DC Headphones Frequency Range: 86MHz for Wireless Headphones; 87-108MHz for FM Radio Reception Mode: FM Distortion: ≤2% Power Supply: 2 x AAA Batteries(not include) Decoder: Compatible with over 95% of digital TV audio Transmitter Base Size: 13 * 8 * 18cm/5.1 * 3.1 * 7.1inch Headphones Size: 8 * 20.5cm/3.1 * 8.1inch Decoder size: 6.5 * 4.2 * 2.6cm/2.6 * 1.7 * 1 inch