Headphone Earbuds, iPhone 2Pack [MFi Certified] Wired Earphones (Built-in Microphone & Volume Control) Noise Canceling Isolating Headphones for 14/13/12/11/SE/X/XR/XS/8/7 249287

NOTICE: This is very important, it is the first step that must done. Please make sure your device’s Bluetooth on first, then plug in the earphones to connect them. It will automatically connect to your device within 2-8 seconds next time when you use