Lightweight over-the-head single earpiece design for comfortable extended-wear use. Convenient Quick Disconnect feature lets you walk away from your phone while still wearing your headset.  Polaris models are for use with phone systems with built-in amplifiers. 

Features:

• Specialty headsets for use with Northern Telecom's NORSTAR 512 and MERIDIAN M2216
• For use with any Telephone with RJ22 Amplified Jack 
• Single earpiece headband style 
• Adjustable Soft ear cushions for all day comfort 
• Superior voice tube technology
• Swivel voice tube
• SES tone switch
• Click-stop headband
• Flexible ear piece
• Adjustable clothing clip
• Black and gray
• Extra voice tube included (29960-01)
• Includes 2 ft. Cable