CRYSTAL CLEAR VOICE: Business-grade Wideband USB Headset, Digital Signal Processing (DSP) and noise-cancelling mic for crystal-clear conversations, Acoustic Shock Protection(ASP) to protect your hearing. MOST COMFORT HEADSET: Ultra lightweight USB business headset with adjustable headband to fit all head sizes, a flexible mic boom to suit your preference, Soft and high quality ear cushion enhance all-day wearing comfort. ULTRA DURABLE: Precision design, quality plastics, uni-body headband construction, flexible metal mic boom make this call center USB headset more durable and sturdier. Compete with Plantronics or Jabra high-grade UC Headsets.