This USB-to-audio module supports playback and recording, stereo encoding and decoding at various sampling rates, and is compatible with multiple operating systems, including for the and for Nano. It offers two-in-one listening and speaking functionality, and is driver-free and plug-and-play. An onboard power indicator makes it easy to check operating status. Onboard microphone and speaker ports support audio input and output. Driver-free, plug-and-play compatibility with for , for macOS, for Linux, and for Android. Using a standard USB 2.0 universal interface, it's simple, driver-free, and plug-and-play. Power supply voltage: 5V Audio codec chip: CM108B Control interface: USB Audio interface: PH2.0 Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: As Shown Material: Electronic Component Package Contents: 1 * USB TO AUDIO audio module 1 * Speaker 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.