Can be used on a computer with a 6.5 to 3.5 adapter The cardioid design effectively collects sound, allowing you to speak without being close to the microphone. It intelligently reduces environmental noise, making clearer, smoother and uninterrupted. A highly sensitive condenser gooseneck conference microphone that supports battery and USB power supply modes and is simple and convenient to use. Specification: Square Material: plastic colour: black Package Contents: 1 x desktop microphone 1 x audio cable (5m) 1 x sponge cover 1 x adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.