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