Key settings Play/Stop the music: press the middle button Answer the call: Click the middle button Hang up the call: Press the middle button again Reject the call: Press the middle button for 2 second Next track: Triple click the middle button Previous track: Double click the middle button Control the volume: [+] [-] volume button Compatibility: iPhone 15/15 Plus/15 Pro/15 Pro Max iPhone 16/16 Plus/16 Pro/16 Pro Max Samsung Galaxy S24/ S23/ S22/ S21/ S21 Plus/ S21 Ultra/ S20 FE/ S20/ S20 Plus/ S20 Ultra/ Z Flip/ Note 20/ Note 20 Ultra/ Z Fold/ Note 10/ Note 10+/A55/A54/A53/A34/A33 OnePlus 11/10/ 9 /Nord/ 8T/ 8 Pro/ 8/ 7T Pro/ 7T/ 7 Google Pixel 8 / 7/ 6/ 5/ 4XL/ 4/ 3XL/ 3/ 2XL/ 2 HTC U12+/ U11+/ U11/ U Ultra iPad Pro 2020/ 2018/2022 iPad Air 4 5 / iPad mini 6 And more more devices without 3.5mm jack audio port. Note: If you are not sure whether your device is compatible with this type-c earphones or not, please ask your question via customer Q&A before order. MacBook, Pad Pro, Sam-sung S8/S9/NOTE 5, only support listening music, does not support phone call.