Amazon.com has an Advent AW720 Wireless 900 MHz Headphones for $26.99 with Free Shipping.
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- 20Hz to 20 kHz frequency response n
- Uses 2 AAA batteries or optional ni-cad batteries n
- Wireless car and home-stereo headphone system with up to 300-foot transmission range n
- Self-adjusting headband and ultrasoft ear cups n
- Adjustable audio output