VXi BlueParrott&reg; Xplorer Industry Leading 90% Noise Cancelling Headset with Extendable Microphone Boom Advanced noise-canceling microphone eliminates 90% of ambient noise. Extendable boom slides out for optimal mic placement. Strong wide band audio output for easy-to-hear, easy-to-understand sound. Hear and understand every word. Pair easily with any two Bluetooth devices at one time. Stream music or GPS directions. Enjoy all day comfort. 7 hours of talk time/150 hours' standby time per charge