The EarFun Free earpieces and battery case come in either black or white eggshell finishes, and the earpieces have a vaguely snail-like contour. Visually, there's not much going on here, but the earpieces aren't ugly. You get three pairs of silicone eartips in small, medium, and large sizes. The in-ear fit, like most true wireless pairs, is quite secure, but the design lacks any extra stabilizing fins. The earphones should probably be fine for the gym, but there are pairs that offer more fit security. An impressive IPX7 ratingmeans the earpieces can withstand being submerged up to one meter under water for up to 30 minutes. That means they can definitely get rained on, sweat upon, and be rinsed off or soaked in the sink without issue. However, the rating applies to the earpieces only—don't put wet earpieces in the charging case. The on-ear controls use push-buttons on the outer panels of the earpieces, which can get annoying as you press the buttons into your ears to operate them, b...