The SoundSport Free Wireless Headphones have been cleverly engineered to provide maximal comfort for users, whilst still delivering consistently clear sound quality. Equipped with Bluetooth technology for wireless use Unrivalled combination between comfort and stability Consistently clear sound quality at any volume Outstanding 5 hour battery life Case provides an additional 10 hours of battery life Water resistant design Better by design It’s the small details that distinguishes the SoundSport Free Wireless Headphones from the rest. Whether it be tuning the circuits for improved sound quality, or adjusting the antenna position for maximal Bluetooth connectivity, the team at Bose have thought of it all. The product of such meticulous design and fine-tuning is a set of headphones that delivers exceptional performance and comfort – all without a single wire in sight. Unmatched comfort and stability Offering a specially engineered shape, the SoundSport Free Wireless Headphones are designed to distribute contact evenly around your inner ear. Additionally, the attached fin is intended to conform naturally to the ridge of your upper ear, ensuring that they fit comfortably. Water resistant Using water-repellent mesh in the open ports, the SoundSport Free Wireless Headphones ensures that all the inside components remain dry and fully functional. Now, you’ll never have an excuse not to push yourself to your absolute limits! Convenient case From a single charge, each set of SoundSport Free Wireless Headphones has an astounding battery life of approximately 5 hours – more than enough to get you through your daily workout. And once you’re done, simply pop your earbuds back into the protective case, which has the capacity to provide two additional full charges.