Q: What should I do if the earphones doesn't connect to my device?

A: Please delete the connection record and reconnect it with the mobile phone.

Q: What should I do if one earbud have no sound while the other one is normal?

A: Please place the earphones back to the charging case, then open the case and reconnect it to the mobile phone. If it doesn't work, please reset the earphones and try again.

Q: Why the connection is not stable and cut out intermittently?

A: 1. Please make sure there are no objects between the earphones and your Bluetooth device, and make sure

there is no radio or Wi-Fi interference nearby.

2. Reset your earbuds.

MD538 Sleeping invisible earbuds wireless bluetooth 5.3 headset IPX6 Waterproof Sports Noise Cancelling Headphones.Easy to connect,No burden in the ears. creating a unique music experience for you, allowing you to fully enjoy the freedom of music! Upgrading the sound quality of your phone, let you feel the true charm of music. Combining high-quality sound effects with unique design, Bluetooth earphones bring you excellent enjoyment in both sound quality and appearance! There are more than N reasons that make you excited! Million hot sales Multiple discounts. Free shipping!