From within the app, you can customize for single-click, double-click, triple-click, and long-press. Simply tap one of the actions at the top of the app and then assign it an action to the right ...

I tested a pair of Écoute Headphones to figure out what's going on with them ... High-Bias Class A/B Dual-Mono Amplification BATTERY PLAYTIME: 20 hours at maximum volume ANALOGUE: 3.5mm Audio Jack ...