Sc 230 is a single sided headset designed for professionals that require true narrowband and wideband audio in call center and office workplaces with the focus on call center tested durability and robustness sc 230 offers features including circleflex patent pending dual hinge ear cup for instant perfect fit and supreme comfort noise canceling microphone and a lightweight raised profile headband with numbered grooves the combination of productivity enhancing features and call center tested durab