These days, JBL seems to produce more true wireless earphones than its competition. It’s model name already gives a preview of what its features are; the JBL Reflect Flow are waterproof in-ear headphones that are aimed to please people who love to tote around gym headphones. The JBL Reflect Flow has big, boosted bass that’s perfect for workouts. The earphone also delivers an impressively secure fit. The JBL Reflect Flow also offers an Ambient Aware mode, allowing users to hear the surroundings in case they need to. Truth be told, JBL Reflect Flow is one of the most solid and preferred contenders in the market of gym headphones.