Product Description Driver size (mm) : 12 Number of Microphones : 4 Driver sensitivity at 1kHz/1mW (dB) : 110 Dynamic frequency response range (Hz) : 20 Hz – 20 kHz Impedance (ohms) : 32 Charging Case Weight (g) : 38.6 Earpiece Weight (g) : 9.6 Weight (g) : 39 Bluetooth profiles : A2DP V1.3, AVRCP V1.6, HFP V1.7 Bluetooth frequency : 2.4 GHz – 2.4835 GHz Bluetooth transmitted modulation : GFSK, π/4-DQPSK, 8DPSK Bluetooth transmitter power : <11 dBm Bluetooth version : 5.2 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 play time (hours) : 32 Maximum talk time (hours) : 4.5
