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Improve your sports performance while listening to your favourite punchy deep bass tunes
Stable fit and freedom without tangled cables: Secure-fit with arc supporters
8.5 hours battery life
Hands-free microphone and remote
Additional earbud sizes included for suitable individual fit
Sony MDR-XB50BS Extra Bass Bluetooth Sports Splashproof In-Ear Headphones - Black.
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Sony MDR-XB50BS Extra Bass Bluetooth Sports Splashproof In-Ear Headphones – Black - B01LD5GTTQ