Athletic Wear Fitbit’s Flyer Wireless Headphones are purposefully designed for your most intense workouts with a durable and sweatproof design that’s ready for the challenge. The headphones are incredibly lightweight and compact for easy transportation and wear with interchangeable ear tips, wings and fins that provide the best in-ear fit for you. Advanced Sound Quality For excellent, on the go, sound quality the headphones provide crisp, precise audio with a powerful base and dynamic range with passive noise isolation which reduces the distraction of outside noise. The headphones come with integrated controls that allow you to easily take calls and control your music and you can change between using signature sound setting or Power Boost for the ultimate in sound power. Battery For the ultimate convenience the Flyer headphones come with a long last battery life that can give you up to 6 hours of playtime. When charging the quick charge system allows you to get 1-hours charge from just 15-minutes of charging time. Connectivity The headphones have multi-device connectivity and you can simultaneously connect to two devices at once with Bluetooth 4.2. They come with full compatibility to Fitbit’s Iconic.