Sony 900MHz Wireless Stereo Noise Reduction Headphones With 40 mm Driver Units， Automatic Tuning， Up To 45 Meter (150 Ft.) Reception Range， 25 Hour Battery Life， Volume Control On Headphones， Easy Connection Of TV， Hi-Fi， And Other Components， Model MDR-R[Product Information]- Enter your model numberto make sure this fits.
- Wireless FM headphones for cord-free listening
- 40mm driver units for expressive sound
- Easy-adjust headband for long term comfort
- Noise reduction system for minimal transmission noise
- Automatic tuning for optimum signal reception
