The SHG Starkey S520-NC monaural headset offers superior comfort with a triple XL ear cushion, and has a passive noise canceling mic and SHG Quick Disconnect (QD). THIS IS NOT THE MILITARY VERSION, THE SM520-NC IS APPROVED FOR MILITARY,

Product Features and Benefits:

• Lightweight to reduce ear fatigue. 
• A wonderful consideration for most hearing aid users.
• Connects to all major desk phones with compatible cables (additional cable required). 
• Connects to all major soft phones with available USB connecting cables (additional cable required). 
• Passive noise canceling microphone. 
• Equipped with a PL compatible QD (Quick Disconnect) connectivity. 
• Reliability rate over 99.96%. 
• Monaural (single ear) wearing style. 
• Triple XL Leatherette cushion type that surrounds the ear. 
• Superb sound quality receiver and microphone.
• All SHG-PL tops are compatible with SHS 1890-15, CA12 CD-S, and CA 22 CD SC
• Compatible with 4 and 6 wire bases. 
• Includes the following accessories:  clothing clip, wall mount, and nylon carrying case. BOTTOM CORD NOT INCLUDED.
• Two-year manufacturer’s warranty.