Closed dynamic in-ear headphones that are equipped with high-performance 9 mm drivers with extended frequency response and exceptional basses. Company JBL used experience in the production of world-famous speakers in their construction.They also feature 3 pairs of latex-free silicone ear pads in three sizes (S/M/L), so that the user can select the right size and the headphones will not fall out of the ear, even during movement, and they will guarantee the isolation of external noise. 1.2 m long cable is terminated by gold-plated 3.5 mm jack. Headphones offer a frequency range of 20 Hz-20 kHz, Sensitivity 96 db SPL/V, maximum input power 10 mW and 16 Ohm impedance. Included is a protective carry pouch. Black colour design.