Supra Plus Wireless Nc Monaural Noise Cancel (CS351N)  

• Manufacturer  Plantronics
• Part#   CS351N 
• Operating System   DOS 
• Color(s): Gray
• Connecting Type: Wireless
• Earpiece Type: Leatherette Ear Cushion
• For Use With: Corded Telephones
• Headset Features: Voice Dedicated DECT 6.0