Take your music wherever life brings you. 360 Reality Audio offers a truly immersive experience. Up to 25 hours of battery life on a single charge. IPX4 Splash resistant design makes them great for workouts. DSEE restores music to high quality sound close to the original recording. Inline buttons play/pause change tracks adjust volume and receive calls. Frequency response: 20Hz-20kHz. Includes 3 eartip sizes.