Cable Matters 2-Pack USB Audio Adapter (USB to Audio Jack/USB to Stereo/USB to 3.5mm Adapter) for Windows and Mac USB AUDIO ADAPTER converts a computer USB port into a sound card; Connect a headset or computer speakers to stream music in stereo; Connect a mono condenser microphone for Skype chat, voice recognition, amateur radio, or DJ controller applications; Compatible with Chrome, Linux, Mac and Windows OS USB SOUND CARD REPLACEMENT for a failed audio card in a laptop; USB powered adapter requires no external power; Pair with a USB hub or a USB extension cable for a flexible installation; Convenient 2-Pack USB to audio adapter provides a spare to travel with your laptop MAC MIC MATE for Mac models without microphone input; Functions as an external USB to Mic card to add a mic connection to a PC or Windows laptop with only one 3.5 audio port or no microphone input EASY INSTALLATION of USB TO STEREO audio adapter with no external drivers required; Plug in the adapter, configure the sound settings on your computer and enjoy; USB powered adapter boosts the signal of your headset, speakers, or microphone; LED indicators verify the USB power and sound transfer status; Configuration required to connect a Raspberry Pi COMPATIBLE with headsets and speakers including popular models such as SADES SA-708 Stereo Gaming Headphone, Logitech G230 Stereo Gaming Headset, Logitech ClearChat Comfort/USB Headset, Koss CS100 Speech Recognition Computer Headset, and Logitech Speakers Z130