Warm Tips: 1. This is a USB-C headphones. Please ensure your phone has a USB-C port without 3.5mm jack. The phone with a 3.5mm jack port is not producing sound. 2. Please ensure your phone case does not cover the USB-C charging port, otherwise the USB-C end cannot be inserted. 3. Please ensure the USB-C end is full inserted your phone, NO GAP left. 4. Some devices support music playback only, phone call functionality is not available. Such as MacBook, iPad Pro, and Samsung S8/S9/Note 5. 5. If you experience no sound, please adjust the volume by sliding the switch up or try plugging the headphones into another port. USB C Wired Earbuds Compatible Models: iPhone 17 Pro Max,17 Pro,17,Air iPhone 16e iPhone 16 Pro Max/16 Pro/16 Plus/16, iPhone 15 Pro Max/15 Pro/15 Plus/15 and more USB-C devices without 3.5mm Audio Jack Adapter HiFi Stereo Sound Quality The iphone 16e wired ear buds usb-c headphones feature an integrated state-of-the-art DAC chip and a 14.2MM dynamic driver, providing exceptional stereo audio performance with clearer mids and deeper bass. 4FT Type C iPhone 16 Wired Eeadphones The 4-foot usbc iphone 16 pro max wired earphones allow you to comfortably connect your device at a convenient distance. Headphone Cable Clips Included The included clips can be attached to your clothing while exercising, working, or sleeping to prevent tangling of the earbud cords. Ergonomic In-Ear Design The iphone 16 plus wired ear buds are designed for a snug fit during extended listening sessions and rarely slip out of place. Key Functions Play/Stop Music: Press the middle button Answer Call: Click the middle button End Call: Press the middle button again Reject Call: Press and hold the middle button for 2 seconds Next Track: Triple click the middle button Previous Track: Double click the middle button Control Volume: Use [+] [-] volume buttons