Additional Carrying Case: Design to store and protect the earbuds or other small accessories, Simply put then in the case instead of putting them into your bag/drawer directly. So there’s no tangled wire issue, less mess, scratches, moist dust, dirt. ?Warm Tips: If you have any problems when using the headset, please feel free to tell COOYA, we love to assist. Magnetic Wired Earbuds : You can wear the earbuds aroud neck and stick them together when taking them off. So they won't move around too much or fall off, and you can reach them easily once you want to put them on. ?If the headset cannot be used when connected, please check the "Disable USB audio routing" of the phone is on or not. If on, please turn off it and reconnect the headset to make it work. Steps: Setting - Developer Options - Disable USB audio routing(turn off)?. Ergonomic In-ear Headphone: Ergonomically in-ear design delivers more powerful and clear sound, allow you to have clearer phone calls, enjoy excellent quality music streaming and gaming experience, comes with S/M/L silicone cap. Only In-ear Physical Noise Reduction not ENC or ANC. Stronger Wire & Remote Control: The cord is strengthened for longer durability. Support Volume+/-, Last/Next Track, Pause, Answer/End/Reject Call to free your hands when listening to music, having phone calls while driving, walking, exercising, working, shopping, etc.?Do not buy this USB C headphone for Mobiles has a 3.5mm Jack. This Headphone Only for USB C Audio Port Devices?. Broad Compatibility USB C Earphone for iPad 10th/Pro 2022, for iPad Air 4/5th/Mini 6, for MacBook Pro, for iPhone 15 Pro Max/15 Plus, for Samsung Galaxy S23 FE/S23/S23+/S23 Ultra/S22/S22+/S22 Ultra/S21 FE/S21/S21+/S21 Ultra/S20 FE/S20/S20+/S20 Ultra/Note 20 Ultra/10+/Z Fold/Flip5 4 3/A54/A34/A53/Tab S9 Ultra/S9+/S8+, for Google Pixel Tablet/Fold/7a 7 8 Pro 6a 6 Pro 5 4a 3a XL, for Oneplus 11 9 10 Pro/10T/Nord 8T/8 Pro, for Nothing Phone 2 USB C devices. Mac Settings--Sound--Output--USB-C Audio.