JBL Endurance Race TWS True Wireless In-Ear Sport Headphones (Black) - Manual (Page 17)

TECH
SPEC
Model: ENDURANCE RACE
Driver size: 6 mm / 1/4” Dynamic Driver
Power supply: 5 V 1 A
Earbud: 6.2 g per pc (12.4 g combined)/ 0.014 lbs per pc (0.028 lbs combined)
Charging case: 44.9 g / 0.099 lbs
Earbud battery type: Lithium-ion Battery (70 mAh / 3.85 V)
Charging case battery type: Lithium-ion Battery (550 mAh / 3.7 V)
Charging time: < 2 hrs from empty
Music playtime with BT on: ≥ 10 hrs
Frequency response: 20 Hz - 20 kHz
Impedance: 16 ohm
Sensitivity: 99 dB SPL@1 kHz
Maximum SPL: 92 dB
Microphone sensitivity: -38 dBV/Pa@1 kHz
Bluetooth version: 5.2
Bluetooth profile version: A2DP V1.3, AVRCP V1.6, HFP V1.7
Bluetooth transmitter frequency range: 2.4 GHz - 2.4835 GHz
Bluetooth transmitter power: < 10 dBm
Bluetooth transmitter modulation: GFSK, π/4QPSK, 8DPSK
Maximum operation temperature: 45 °C