The Sandberg 2in1 Office Headset Jack+USB is a clever all-round connection headset Connect to USB in your PC.Connect to MiniJack in smartphone or PC.Perfect for online meetings.Comfortable to wear.It features both MiniJack and USB connection, meaning that you can connect it to either your computer's USB port or to the MiniJack audio connector in your smartphone or tablet. The clear sound reproduction of this headset makes it perfect for online meetings. Adjustable microphone arm and headband so it can easily be adapted to your needs. TypeOn-ear HeadsetConnector1 x USB-A male1 x 3.5 mm MiniJack male plug, 4 poleCable1.5 metresWirelessNoLED Lighting-Driver27 mmFrequency Response20 Hz – 20 kHzImpedance32 OhmMicrophoneYesMicrophone Details6mm dia. electret condenser microphone 3VDirection: Omni-directionalFrequency Response: 30 Hz - 20 kHzImpedance: 2.2 kOhmSensitivity: -42dB 3dBAccessories1 x Sandberg 2in1 Office Headset Jack+USB1 x Headset USB Controller