A. Exceptional Sound Quality: Enjoy clear sound effects. The efficient and low-power chip design combined with digital signal processing delivers good sound quality with deep bass. It supports SPDIF optical fiber connection, enabling digital music to have better audio effects. B. Ultra-long Reception Range: The reception range can reach up to 160 feet/50 meters. The extended reception range allows the headphones to work properly even when they are out of the line of sight of the transmitter. The decoding function can restore the original sound. C. Stylish and Convenient Design: The headphones feature soft padding and are equipped with a transmitter that also functions as a charging dock. D. Rechargeable Battery: The included rechargeable lithium-ion battery can provide around 18 hours of battery life after a full charge. The headphones will charge automatically when placed on the base station. E. Zero-latency Experience: With 2.4GHz wireless technology, you can watch sports events, your favorite TV shows or play games with little delay. F. Wide Compatibility: It is compatible with devices having an optical fiber, 3.5mm AUX or RCA audio output port. This is a headphone equipped with a 2.4G digital radio frequency transmitter. It is a wireless ear-hook headphone with RCA/3.5mm/optical fiber ports, suitable for use when watching TV or using a computer at home.