Jabra EXTREME2 - Noise Cancelling Bluetooth Headset (Certified Refurbished) (Black) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Mono Bluetooth headset with optimized noise cancellation for reduced background noise and excellent call clarity under any environtment Noise Blackout 3.0 technology; HD Voice ready technology; spoken Caller ID, battery and connection status with Voice Guidance A2DP audio streaming capabilities; connects to two Bluetooth devices simultaneously Up to 5.5 hours of talk time and up to 10.5 days of standby time