JBL Endurance Race true wireless active earbuds are always geared up and ready to go. With 30 hours of battery life and a waterproof, dustproof design, they keep you rocking with JBL Pure Bass and all-day comfort. The sturdy, superior fit lets you stay active from the beach to the boardroom with better sealing and stability. Get help from your preferred voice assistant, manage your audio, and make perfect calls with the touch of a button. Or, when you need to hear your surroundings, tune into the world around you with enhanced ambient sound.
- 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: 93 dB.
- Microphone sensitivity: -38 dBV/Pa@1 kHz.
- Bluetooth version: 5.2.
- Maximum operation temperature: 45 °C.