- Compliant with USB 2.0 full-speed (12Mbps)<br />- Compliant with USB audio device class specification 1.0<br />- Compliant with USB HID class specification 1.0<br />- USB bus-powered mode、 no external power required<br />- Connectors: USB Type-A、 Stereo output jack、 Mono microphone-input jack<br />- Functional keys: Microphone-Mute、 Speaker-Mute、 Volume-Up、 Volume-Down<br />- LED indicators: Microphone-Mute Status、 Activity<br />- Include Xear 3D、 the 7.1 channel sound simulation software for Windows XP/Vista<br />- Driverless. No driver needed for Windows 98SE/ME/2000/XP/Server 2003/Vista、 Linux、 Mac OS10<br /><br />                                                                                                                                Dimensions: 2.24 in x 1.02 in x 0.55 in (5.7 cm x 2.6 cm x 1.4 cm)<br />Weight: 0.49 oz (14 g)<br /><br />