General
Model: JBL Endurance Race 2
Type: True wireless in-ear earbuds
Weight: 6.4 g per earbud; 41.1 g for the charging case
Charging Time: 2 hours from empty
Operating Temperature: Up to 45°C
Audio
Driver Size: 6.8 mm dynamic
Frequency Response: 20 Hz – 20 kHz
Impedance: 16 ohms
Sensitivity: 104 dB SPL @ 1 kHz
Maximum SPL: 94 dB
Microphone Sensitivity: -38 dBV/Pa @ 1 kHz
Audio Codecs Supported: SBC, AAC
Connectivity
Bluetooth Version: 5.3
Bluetooth Profiles: A2DP V1.3.2, AVRCP V1.6.2, HFP V1.8
Bluetooth Frequency Range: 2.4 GHz – 2.4835 GHz
Bluetooth Transmitter Power: <10 dBm (EIRP)
Bluetooth Transmitter Modulation: GFSK, π/4-DQPSK, 8DPSK
Multipoint Connectivity: Yes
Fast Pairing: Google Fast Pair and Microsoft Swift Pair
Battery
Earbud Battery Type: Lithium-ion polymer (70 mAh, 3.85V)
Charging Case Battery Type: Lithium-ion polymer (600 mAh, 3.85V)
Music Playtime (Bluetooth on, ANC off): Up to 12 hours
Music Playtime (Bluetooth on, ANC on): Up to 10 hours
Talk Time (ANC off): Up to 7 hours
Talk Time (ANC on): Up to 6.5 hours
Charging Input: USB Type-C
Quick Charge: 10 minutes of charging provides approximately 4 hours of playback
Durability
IP Rating: IP68 (earbuds); IPX2 (charging case)
Water Resistance: Fully dustproof and waterproof; can survive submersion deeper than 1 meter in both fresh and saltwater
Controls & Features
Controls: Touch controls for playback, volume, calls, and voice assistant
Voice Assistant Compatibility: Supports Google Assistant and Siri
Active Noise Cancelling (ANC): Yes
Smart Ambient: Adjusts ambient sound levels for situational awareness
Sports Mode: Customizable EQ settings via the JBL Headphones app
Microphones: 4 microphones (2 beamforming mics per earbud) for clear calls
