For better listening experience, you can use PaMu App to customize the function keys of the earphones, get the continuous upgrade of the earphones firmware.App supported devices: PaMu Quiet、PaMu Quiet Pro、PaMu Quiet Mini、PaMu Z1、PaMu Z1 Lite、PaMu Z1 Pro、Pamu Slide+、Pamu Slide Mini+、Pamu Slide 2、Pamu Scroll Panda