Its not simple. Even following the ones written on Amazon by purchasers were difficult to follow. I like it for work because it holds my phone vertically so I can see (and use) the screen while sitting at my desk. Facile à mette et à enlever même avec de grands ongles. I bought this phone NEW from Amazon, set it up and used it for 2 days. For me, thats the one thing that has eluded me in wireless earbuds - comfort. Maybe with a shoe tree in them while damp to reset the shape. The charging case has LEDs, is very lightweight with magnetic close. I was charged a restocking fee and taxed on it! I’d hoped they were a good deal bc they aren’t terribly attractive, sadly even though he has very very narrow feet the heel cup padding was still too narrow for his heal and he felt like he was walking with stiff edge he’s all around his heel.