Sony Extra Bass Bluetooth Headphones, Wireless Sports Earbuds with Mic/Microphone, IPX4 Splashproof Stereo Comfort Gym Running Workout up to 8.5 Hour Battery, White (International Version)

Connect wirelessly – Bluetooth connectivity lets you listen for up to 8.5 hours without wires getting in your way.
Be ready for splashes – Durable IPX4 design keeps the music going, even when you run in light rain.
Hear the beat, feel the power – EXTRA BASS sound gives you more motivation, whether you’re at the gym or on the street. Enhanced low frequencies make music sound more powerful, so you feel energized and driven.
Listen anywhere, do anything – Never be without your music again. Bluetooth connectivity lets you run, jump, kick and more, without wires holding you back. Ergonomic arc supporters keep the headphones securely in position while you exercise.
A built-in microphone for hands-free calls – You don’t have to pause your workout to take that important phone call. With a built-in microphone and Bluetooth connectivity, you can make and answer calls wirelessly from your smartphone.