This Certified Refurbished product is factory refurbished?? shows limited or no wear?? and includes all original accessories plus a 90-day warranty</br>Mono Bluetooth headset with optimized noise cancellation for reduced background noise and excellent call clarity under any environtment</br>Noise Blackout 3.0 technology; HD Voice ready technology; spoken Caller ID?? battery and connection status with Voice Guidance</br>A2DP audio streaming capabilities; connects to two Bluetooth devices simultaneously</br>Up to 5.5 hours of talk time and up to 10.5 days of standby time</br></br>Product Description</br></br>The Jabra EXTREME2 builds on the success and technology of its predecessor?? the Jabra EXTREME?? by offering the same high quality headset but now with a more advanced set of features. With Noise Blackout 3.0 te