Portable Sony CD Walkman Sony MDR RF920RK Wireless Headphones Take your favorite tunes with you wherever you go with this great electronic system. This package is for (1) Portable Sony CD Walkman and Wireless 900 MHz RF Headphones (MDR RF920RK). This lightweight system offers a clear sound and these headphones are easily recharged by placing them on the transmitter - includes rechargeable NiMH batteries. Headphones feature a wireless design that lets you move inside and outside your house and still enjoy music and TV sound, and lets you turn up the volume late at night without disturbing others. Its 150 foot transmission range allows for listening enjoyment upstairs, downstairs, virtually everywhere in your home and outside in your backyard. 900 MHz Radio Frequency (RF) Transmission provides better sound quality and greater range. Complete Kit is supplied, which includes transmitter, headphones, connecting cord, UniMatch plug adapter and AC power supply.