JBL Tune Flex

Driver sensitivity at 1kHz/1mW (dB) 110
Dynamic frequency response range (Hz) 20 Hz – 20 kHz
Impedance (ohms) 32
Charging case battery life (max hours) 18
Charging time (hours from empty) 2
Maximum music play time with ANC off (hours) 8
Maximum music play time with ANC on (hours) 6
Maximum talk time (hours) 4.5
Maximum play time (hours) 32