Sennheiser True Wireless Sports Black (509299) is a fully wireless in-ear headphone designed for sports and everyday use. It provides cable-free Bluetooth connectivity for maximum freedom of movement during workouts. With a 5 Hz – 21 kHz frequency range, it delivers deep bass and clear vocals. Its compact and portable design makes it easy to carry and use anywhere. The in-ear fit ensures comfort and passive noise isolation. Touch controls allow easy management of music and calls.