Bluetooth headset with movable microphone boom for use in the office and at home -- hands free calling with controls directly on the headset. This Bluetooth headset's adjustable headband means it'll fit your head perfectly. Weighing in at just 145 g, this wireless headset designed for excellent wearing comfort Suitable for video conferences, office calls, e-learning, music, podcasts in the office and at home Volume control on ear cup Mute on microphone boom Hands-free telephoning and freedom of movement thanks to the 10 m range 2 m cable to use the headset during charging