JBL by Harman Synchros Reflect BT Blue bluetooth headphone, 3.0 Bluetooth connectivity, up to 5 hours of playtime, up to 10 m range, brightly-reflective, sweat-proof cord design, ergonomic ear-tips and angled ear pieces, 8,5 mm drivers, frequency range 10 - 22000 Hz, cable with 3-button universal remote, mic, 3,5 mm plug and magnetic cable management system, incl. 1 USB-AUX-charging cable, colour: blue