Take to a new level of audiophile listening appreciation with the digital wireless RS-220. Comprising of an open, circumaural headphone and a sveltely designed transmitter, this digital wireless headphone system delivers an uncompressed sound performance equaling those of high-end wired headphones. The transmitter features one optical and one coaxial digital input, plus an analog audio input. Other highlights include easy recharging of the headphones as well as simultaneous connections of up to two headphones. The RS-220 feature premium quality materials, ensuring exceptional wearing comfort even when used for extended periods of time. They are optimized for all analog and digital audio sources. All things considered, the Rs. 220 truly offer new levels of audio detail, refinement and transparency for discerning audio lovers.