Many of which always break, are overpriced, or have severe flaws. Hubby loved them! Multi display layouts for time/steps/heart, some cheesy. Great little speaker so far. If I put slight pressure on the battery the problem stops but obviously that isnt a practical solution. Once I forget my previous one in my trousers and I washed it. My last pair (different brand) lasted over 1 year. Usual quality and endurance Ive come to expect from Crocs. I can see my feet sweating frequently in these. All around a win-win!