Accept no interruptions with the Samsung WEP500's state of the art noise reduction technology. Tucked inside the Bluetooth earpiece's sleek fashionable exterior you'll find a plethora of advanced features. Equipped with 2 microphones, the Samsung WEP500 reduces unwanted noise with its own voice separation technology which can distinguish and block unwanted voice next to you. Clarity is further enhanced echo cancellation and auto volume control. Talk time - up to 3.5 hours Standby time - up to 80 hours