Sandberg Bluetooth Office Headset is a Bluetooth headset with comfortable headband. Connects wirelessly to your smartphone or other Bluetooth device, leaving your hands free to use the keyboard or walk around. High quality loudspeakers and microphone for crystal clear communication both ways. Features: Handsfree conversation at your work station Superior sound quality Left or right-ear use by 180° rotatable microphone Specifications: Dimensions: H:0.0 x W:0.0 x D:0.0 cm Guarantee:60 Months Model Number: 126-23