The Sandberg 2-in-1 Office Headset Jack+USB is a smart all-round connector headset. It has both a mini jack and a USB connection. This means you can connect it either to the USB port of your computer or to the 3.5 mm jack socket for the audio port of your smartphone or tablet. The clear and smooth sound transmission of this headset is perfect for online meetings. Both the microphone boom and the headband can be adjusted for an optimal fit.