AHS15 monaural headset features split double headband that adjusts for maximum comfort. It conforms to the shape of user's head for comfortable and secure fit. The headset also includes volume control with clip, and adjustable microphone arm for easy positioning. Unidirectional, noise canceling amplified microphone provides clear and accurate voice input.AHS15 offers enhanced audio compatibility with most portable audio systems, personal stereos, video game systems, and multimedia PCs. It features gold-plated monaural mini-plug for headset and gold-plated mini-plug for microphone with shielded cord.