The blackXB80BS Extra Bass Sports In-Ear Bluetooth HeadphonesfromSonyare designed to boost your performance, whether you're at the gym or on the street. They have a built-in microphone for hands-free calls and can be used with smartphones, MP3 players, tablets, recorders, and other devices with a 1/8" output.
With their high-fidelity wireless streaming and enhanced low frequency, which make music sound more powerful, these headphones have splash proof IPX5 ratings that allow you to wear them in heavy rain and clean them with water. Their 4 Hz to 24 kHz frequency response delivers a clear and natural sound.
In addition, they are built with ear hooks to securely keep them in your ears during your heavy workouts. The headphones include a USB cable, a length adjuster, a headphone cable, 2 sets of silicone eartips (SS, S, M, and L), and a carrying pouch.