The method is:

1. First, insert the Bluetooth adapter into the USB interface of the computer, put in the included CD, and the computer will automatically install the driver and management software of the Bluetooth adapter;

2. Turn on the Bluetooth headset and hold down the power button for about 10 seconds. The indicator light of the Bluetooth headset will flash red and blue alternately and make a pairing sound; right-click the Bluetooth icon in the lower right corner of the computer and select Add. device, the Bluetooth device will be displayed in the box, click Next until successfully added;

3. After successful pairing, open the music software to play music and find that there is no sound in Bluetooth, right-click the Bluetooth icon in the lower right corner , click "Show Bluetooth Device", the Bluetooth headset being paired will appear in the device, the small yellow triangle indicates that the driver has not been successfully installed, right-click the device icon and select Properties, select Service to install the driver;

4. Click "Apply this fix". If the installation is successful, the Bluetooth headset will be able to listen to the sound normally. If it still fails, you must obtain the Bluetooth driver link from the merchant and download it. After the driver download is completed, open the folder and double-click it. "setup.exe" application, follow the prompts to install it until it is completed;

5. After the program installation is completed, right-click the Bluetooth icon in the lower right corner to enter the device. The yellow triangle on the Bluetooth headset icon is gone, indicating that The driver installation is completed. At this time, open the control panel, select Hardware and Sound, select the Bluetooth sound device for the playback box recording in the sound, and click OK. At this time, you can play music and listen to it from Bluetooth.

Notes:

1. When installing the driver, you need to turn off the anti-virus software, otherwise an error will be prompted and the installation progress will be automatically rolled back.

2. The 4.0 Bluetooth adapter can only be installed using the Qianyue driver. Otherwise, when installing the driver, the system will prompt that there is no CSR license