Stylish corded Call Center Headset RJ9  HSM-500RRJ:

• Flexible high quality ruber mic boom, noise canceling microphone to reduce background noise
• Acoustic Shock Protection circuit
• Lightweight, durable and comfortable for all day use
• Hearing on one side and can be worn on either ear
• Adjustable headband
• Replaceable soft foam or soft leatherette ear pad
•  Quick disconnect cord (optional)for the convenience of walking away without removing the headset
•  PLX  or GN Netcom Compactible Quick Disconnect (Optional ) 
•  Professional Volume Control and Mute function(optional)