Audio Specifications
Driver Size: 12 mm dynamic drivers
Frequency Response: 20 Hz – 20 kHz
Impedance: 32 ohms
Sensitivity: 110 dB SPL @ 1 kHz
Maximum SPL: 95 dB
Microphones
Number of Microphones: 4
Microphone Sensitivity: -38 dBV/Pa @ 1 kHz
Battery and Charging
Earbud Battery: 55 mAh (each)
Charging Case Battery: 570 mAh
Playback Time (ANC off): Up to 8 hours (earbuds) + 24 hours (case) = 32 hours total
Playback Time (ANC on): Up to 6 hours (earbuds) + 18 hours (case) = 24 hours total
Charging Time: About 2 hours (full charge)
Fast Charging: 10 minutes gives up to 2 hours of playback
Connectivity
Bluetooth Version: 5.2
Bluetooth Profiles: A2DP v1.3, AVRCP v1.6, HFP v1.7
Bluetooth Frequency Range: 2.4 GHz – 2.4835 GHz
Transmission Power: <11 dBm
Design and Dimensions
Earbud Weight: 4.8 g per earbud
Charging Case Weight: 38.6 g
Earbud Dimensions: 34.9 x 20.5 x 20.2 mm
Case Dimensions: 47.0 x 51.5 x 29.3 mm
Tip Options: Includes sealing and open ear tip styles
Features
Active Noise Cancelling (ANC)
Ambient Aware and TalkThru modes
JBL Pure Bass Sound
Touch controls
VoiceAware (adjustable mic feedback)
IPX4 water resistance (splash proof)
Works with JBL Headphones app for customization
Compatibility
Android and iOS devices
In the Box
JBL Tune Flex earbuds
Charging case
3 pairs of sealing ear tips (S, M, L)
1 pair of open ear tips (pre-installed)
USB-A to USB-C charging cable
Quick Start Guide
Safety sheet
Warranty card
These earbuds are fantastic! The sound quality, especially the bass, is incredible, and the ANC works wonders. Plus, the battery life is seriously impressive, lasting me through long workdays and commutes.
Fantastic sound with the JBL Pure Bass and the ANC is surprisingly effective for the price. They're comfortable for hours, and the battery life genuinely lasts all day, making them perfect for commutes and workouts.