2-YEAR WARRANTY: 45 DAYS MONEY-BACK GUARANTEE & 24 MONTHS WARRANTY BY ARAMA. Ideal for customer centers, call centers, telephone counseling, conference calls, hospitals, banks, business, school, insurance, office and home. Compete with Plantronics or Jabra heavy duty Phone Headsets. ALL-DAY WEARING COMFORT: The ergonomic and lightweight design makes office headset comfortable enough for long conference calls and all-day use. The all-new design makes it durable in call-intensive environments, reducing dropped calls and freezes, keeping pace with the demands of your busy day. NOISE-CANCELING MICROPHONE: Superior noise-canceling microphone performance minimizes background noise and distractions for a high-quality calling experience. 330°rotatable microphone can be twisted to better pick up your voice, guaranteeing easy and clear communication even in noisy environments. EXCELLENT AUDIO EXPERIENCE: Made for calls, this headset for landline phone is kitted out with wideband HD audio technology and acoustic shock protection circuit that ensures richer, clearer conversations and reduces hearing fatigue, protecting you from high-frequency noise. WIDE COMPATIBILITY:?NOT for Cell Phones or Computers?This RJ9 telephone headset ONLY compatible with some specific phone models Polycom Mitel Plantronics Fanvil HUWEI Shoretel NEC Siemens Aastra etc. SEE MORE COMPATIBLE PHONE MODEL LISTS IN DESCRIPTION. For other phones, please contact us for compatibility advice.