Bluetooth headset with mobile microphone arm for convenient use in the office, home office and business settings: hands-free telephony without restrictions and with control options directly on the wireless headphones Thanks to the custom-adjustable headband, the Bluetooth headphones fit the shape of your head perfectly At just 145 g, the wireless headset is a true lightweight and therefore offers excellent wearing comfort Ideal for video conferences, office calls, e-learning, music and podcasts at work or in the home office, for example Adjust the volume directly on the earpad Mute button on the wireless headset's microphone arm for immediate muting of the microphone Hands-free telephony and freedom of movement thanks to 10 m reach 2-metre-long cable to allow use of the headset while it is charging