In ear headphones

I have some earbud headphones that are obviously not suitable for running or swimmingAs the weather picks up I'm looking for some decent but not expensive sports headphones that stay in the ear but not the one over the ear as they'd get too hot.

I'm looking for the 40-50£ range maximum. I've seen the JLab fit in ear Bluetooth wireless ones but they have mixed reviews

With my buds one still works the other no longer connects so I'm left with one anyway!