MCHOSE | MCHOSE X9 Wireless Bluetooth Headphones 7.1 Surround Sound Noise Canceling Mic Low 15ms Latency FPS Gaming E-sports Earphones

"Common problem solutions"1.Can't the headphones hear sound?1.Check if the headphone indicator light is on, and confirm if the current connection status of the headphones is correct based on the color of the indicator light (refer to the function description for details)2.Adjust the headphone volume knob, increase the volume appropriately, and check if the computer player has turned up the volume3.Find the speaker icon in the bottom right corner of the computer desktop and click to check for the current headphone device name4.Check the computer settings to confirm if the headphones are the default playback device (Settings - Sound - Output Device)2.No sound from microphone?3.Confirm if the microphone indicator light is on. If it is not on, click the microphone button to turn on the microphone (the indicator light will light up), unplug and plug the microphone again, and insert it firmly to the bottom4.Check the computer settings to confirm if the microphone is the default recording device (Settings - Sound - Input Devices)5.Check if the computer or application software has enabled microphone permission for the earphones (Settings - Privacy - Microphone Enable Permission)