Sony Wireless Stereo Headphone System
Item No.
Mfg Part No.
Not Available

Product Information for Sony Wireless Stereo Headphone System

Highlights for Sony Wireless Stereo Headphone System

  • Connectivity Technology:Wireless
  • Sound Mode:Stereo

Marketing Information

Untangle your mind and relax with crisp, personal audio without wires. They also feature a comfortable headband and long battery life up to 25 hours. Best of all, one simple setup is all it takes to achieve optimal RF signal reception and you're on your way to cordless freedom.


Physical Characteristics

  • Weight (Approximate): 10.59 oz
  • Color: Black
  • Form Factor: Ear-cup
  • Technical Information

  • Plating: Nickel Plated
  • Sound Mode: Stereo
  • Connectivity Technology: Wireless
  • Features: Tangle-free Cable
  • Wireless Technology: RF
  • Minimum Frequency Response: 10 Hz
  • Maximum Frequency Response: 22 kHz
  • Wireless Operating Distance: 150 ft
  • Warranty

  • Limited Warranty: 1 Year
  • Safety Warning

    Battery Information

  • Battery Size: AAA
  • Maximum Battery Run Time: 25 Hour
  • Interfaces/Ports

  • Host Interface: Mini-phone
  • General Information

  • Product Type: Headphone
  • Manufacturer Part Number: MDRRF985RK
  • Manufacturer Website Address:
  • Manufacturer: Sony Corporation
  • Product Model: MDR-RF985RK
  • Product Name: Wireless Stereo Headphone System
  • Brand Name: Sony
  • Earpiece

  • Earpiece Sensitivity: 100 dB
  • Driver Type: Ferrite
  • Earpiece Controls: Power Switch
  • Earpiece Design: Over-the-head
  • Earpiece Type: Binaural
  • Driver Size: 1.57"
  • Miscellaneous

    Package Contents

    • Wireless Stereo Headphone System
    • Rechargeable Ni-MH Battery Pack