Connect More with Cable Matters Audio Products Instant USB Audio in a 2-Pack The Cable Matters (2-Pack) USB to Stereo Audio Adapter for Windows and Mac provides an instant upgrade to the audio jack on your computer or laptop. Connect a headset, speakers, or mono microphone for streaming audio or gaming. Save the cost of replacing a failed sound card with this feature filled adapter. Configuration Instructions Windows: - Right-click on the sound icon in the taskbar - Select Playback or Recording devices - Adjust the volume on the computer and in the application Mac: - Open System Preferences > Sound > C-Media USB Headset > Output or Input > Volume Important Notes - Mono Microphone requires a 3.5 TRS connector (not TS) Adapter Specifications - Computer Connector: USB 2.0 Male - Headset/Speaker Connector (Green): 3.5mm Female - Dimensions (LxHxW): 2.1 x 0.5 x 0.9 Inches - Microphone Connector (Pink): 3.5mm Female - LED Power Indicator: Blue - LED Status Indicator: Green - Chipset: C-Media - Compliance: C E, FCC Package Contents 2 x USB Audio Adapter Warranty Limited One-Year Warranty and Lifetime Product Support