Important for me is sound and fit. Both are adequate for the price, but not surprisingly good.
The sound of the Groove Buds has for my taste insufficient depths, also the Klagregler my player can not because really help.
First time on ear headphones In my middle silicone rubber were too big, so I had to switch on the supplied smaller. This leads, however, to the fact that in my case, environmental noise no longer be so well damped, as I am usually accustomed. Even with the middle silicone rubber, sitting a little too stuck in my ear, environmental noises are shielded significantly worse than my previous headphones
Because the price is however unbeatable, they are as a second, if not third-recommended headset, otherwise I would take some extra cash in hand.