JBL Wave Flex 2 True Wireless Earbuds feature 12mm drivers delivering JBL Pure Bass Sound with a 20 Hz – 20 kHz frequency range for balanced audio performance. Bluetooth 5.3 ensures stable and fast connectivity. With 4 microphones, calls are clearer and more natural. They are IP54 water and dust resistant. Battery life reaches up to 10 hours (earbuds) and up to 40 hours with the charging case. Touch controls, Ambient Aware, and TalkThru enhance everyday usability.