Bluetooth: Please turn on Bluetooth on your phone or tablet first, then plug in the headphones. After hearing the prompt tone, a window will pop up after a few seconds; click to connect. If no window pops up after a few seconds, you can open the Bluetooth list in settings, find the device named "Beats," and click to connect. The next time you use the headphones, they will automatically connect to your device within 28 seconds. <br>High-Quality Sound: These in-ear headphones deliver clear, top-tier studio-quality sound with powerful bass, tight mids, and precise treble response, allowing you to experience the charm of high-definition music. <br>Package Includes: Two headphones. If you have any further questions about our products, we are happy to assist you. <br>Dedicated In-line Controls and Microphone: Simply pinch the headphone cable to adjust the volume, control playback, and answer or hang up calls via the in-line controls. Built-in speakers maximize sound output and minimize sound loss, providing you with high-quality audio. <br>Excellent headphone compatibility: The headphones are widely compatible with iPhone 14/14 Pro/14 Pro Max/14 Plus/13/13 Pro/13 Pro Max/13 Mini/12 Mini/12 Pro Max/SE/11 Pro Max/11 Pro/XS Max/X/XR/8/8 Plus/7 Plus/7, and are perfectly compatible with all iOS systems.