Promate Engage Bluetooth Headset Over the Head Headphone Noise Cancelling Mic & Built-In Control - Black: PROMATE Over ear Mono Bluetooth Headset with HD Voice Clarity. Noise-Cancelling Microphone, All day Ergonomic Comfort Fit, Built-in Controls, All day battery, up to 14 Hours with 220mAh. Colour Black.Engage is a premium performance headset, delivering crystal-clear conversations for closer connectio