Optical - A pentagonal port. Optical cables will usually work with high-end, modern speakers. RCA - A red port coupled with a white port. These ports receive 3. 5 millimeter cables of the same colors. Headphone jack - The 3. 5-millimeter headphone jack can reliably be found on most computers somewhere on the side of a laptop or the back of a computer case. For speakers or headphones, the plug is color-coded in green and usually has a headphone symbol identifying it. The pink jack is for microphones and the blue jack is for Line-In, similar to an aux input. HDMI - HDMI slots work the same way on your computer as they do on your TV, which includes audio transmission. On laptops, the audio-out port is typically the headphone jack.

USB ports can also double as audio-in connections.

You can find audio converters, also known as “audio extractors”, in most tech departments in retail stores or online. If you have to use an audio extractor, you’ll also need to purchase a separate set of cables in order to attach the extractor to your computer.

You may also need to press an “On” switch on the back of the main speaker unit.

If needed, first plug your device into an audio extractor.

You may need to change the audio output, restart your computer or update your computer’s software if your device doesn’t work at first.

If you see “On” to the right of the switch, Bluetooth is enabled.

All devices are different so check the manual that came with your audio device to find out how to put your device into “pairing” mode if you don’t know how.

If you don’t see the device appear, double-check that the device is in “pairing” mode, then scan for nearby devices again.

If you’re connecting a microphone, you’ll first want to click the Recording tab at the top of the window.

You may need to restart your computer or update your computer’s software if the device doesn’t work.

If you don’t see your device’s name, press the “pairing” button, or turn it off and then on again.

If you’re attaching a microphone, click the Input tab instead.

You may need to restart your computer or update your computer’s software if your device doesn’t work.