Enjoy your tunes without wires. The Sony MDR-DS6000 digital wireless headphones system gives you the freedom to travel up to 95 feet from your sound source. And with Sony's Virtual 5.1 channel surround sound, you can even enjoy movies at high volume without waking the neighbors. This system includes Ni-MH rechargeable batteries, 2.4GHz RF digital transmission and headphones with a 40mm driver for deep bass. An Auto Tuning feature conveniently scans up and down the band to automatically tune in channels. The MDR-DS6000 enables an easy connection to your home audio system, TV, PC, DVD player or VCR. Hear the difference.