1. Locate the power button on the device. The power button is typically located on the side or top of the device. It is usually a small, round button that is labeled with the word "Power" or the symbol "电源".
2. Press and hold the power button until the device turns on. The device may take a few seconds to power on. You will see the Nextar logo appear on the screen when it is turned on.
3. Once the device is turned on, you can use the controls on the device to play your music. The controls for the device may vary depending on the specific model. However, most devices will have buttons for playing, pausing, stopping, skipping tracks, and adjusting the volume.
Here are some additional tips for turning on your Nextar MP3 player:
* Make sure that the battery is properly charged.
* If the device does not turn on after you press the power button, try resetting the device by pressing and holding the reset button for 10 seconds.