JBL Pure Bass Sound The 5.8mm driver featuring JBL Pure Bass sound provides a powerful punch to all your playlists. Truly Wireless Discover the freedom of a wireless lifestyle while on the go. Now listen to music, manage your calls or work out without the fear of tangled wires interrupting your groove. Hands-free Stereo Calls Never miss your call during your daily commute or workout thanks to intuitive control for stereo hands-free calls and conveniently placed buttons on the earphones. Connect with Siri or Google Assistant with the push of a button.