Sennheiser Circle™ Black Wired Headset

Circle™ SC 230 and SC 260 USB are professional wired single-sided (SC 230 USB) and double-sided (SC 260 USB) headsets that connect to a softphone via a USB.
 

Unified Communications
 

OPTIMIZED FOR UNIFIED COMMUNICATIONS
 

• Get the most out of your UC solution. All major UC and soft phone brands are supported
   

Microphone
 

Comfort and precision
 

• BENDABLE BOOM ARM
  With its bendable boom arm, your microphone remains in an optimal position for your voice to be picked up clearly, and stays in place without adjustment, all day long.
   
• PIVOT PERFECT PLACEMENT
  Wear it on the right or on the left, it’s up to you. Thanks to its 350° rotation axis, your microphone can always be placed at the angle that suits you best.
   

Built to last
 

Years of wearing pleasure
 

• With metal reinforced headbands and all-around robust and durable design, these headsets were built to last.
   

Best in class comfort: For long-lasting user comfort, CIRCLE™ headsets feature CircleFlex™ dual-hinge ear cups with acoustic foam ear pads with soft leatherette cover.
 

Sennheiser ActiveGard®: Sennheiser ActiveGard® technology protects users against acoustic injury caused by sudden sound burst on the line.
 

Flexible Microphone Placement: A fully adjustable, bendable boom arm positions the microphone perfectly. The pivotable boom rotates 350 degrees for wearing on either the right or left.
 

Sennheiser Voice Clarity: Wideband sound for a natural listening experience while a noise-cancelling microphone filters out ambient noise for optimum speech clarity
 

Technical Data
 

• Impedance ~50 Ω 
   
• Connector: USB 
   
• Frequency response (Microphone): 150 Hz – 6,800 Hz 
   
• Frequency response (Headphones): 50 Hz – 18,000 Hz 
   
• Microphone: Noise-canceling 
   
• Sound pressure level (SPL): Max. 113 dB limited by ActiveGard® 
   
• Cable length: 2.9 m / 9.5 ft 
   
• Weight: 58g / 86g
   

*Warning (for California residents only): Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Every Consumer Products company is required to post the warning no matter if their products pose any harm. Sennheiser products are all RoHs compliant, yet we are by law required to post the Proposition 65 warning message anyway.