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High Performance Sport Earphones

The Flex is specifically engineered for your active lifestyle, complete with IPX5 waterproof standards, antibacterial ear hook surface and tangle-free cable. Ergonomically designed for comfort, the Flex’s proprietary form-fitting ear hooks are designed against fallout during any workout, while the ported acoustic chamber showcases SOUL’s signature sound.

Color Option



Flex Fit

The proprietary form fitting antibacterial ear hooks are designed to fit securely regardless of the shape of your ears against fallout


Adhering IPX5 waterproof standards, the Flex is washable and was engineered to work under the most arduous workout.

Ultra Light

Designed to not weight you down while you workout, practice or exercise. Train with the Flex so you can run faster, jump higher, and get stronger!


Advanced Driver And Circuitry Design

Engineered for the best balance and quality of sound. Designed with powerful bass and clear mids and highs for the best possible listening experience.

Tangle Free Audio Cable

Eliminates the need to constantly untangle your headphone cable. The tangle free cable allows instant use every time.

Sporty Carrying Pouch

Soft carry pouch for easy storage and protection.

Technical Specification

Weight: 18 grams
Cable length: 1.2m
Operating keys: Answer / end key, volume control

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Warranty information