JBL Pure Bass Sound
Smartly designed 12mm drivers enhanced by the stick form factor deliver JBL's Pure Bass Sound so you'll feel every pulsing beat.

Active Noise Cancelling with Smart Ambient
Hear more of what you want, less of what you don't. Active Noise Cancelling technology with 2 microphones lets you minimize audio distractions.
With Ambient Aware, you can tune into your surroundings at any time so that you feel safer when you're out in the world, while TalkThru lets you stop for a quick chat without having to remove your headphones.

4 mics for perfect calls
Enjoy hassle-free, hands-free calls in stereo. The Tune Flex are equipped with 4 microphones, so you'll always be heard with perfect clarity.
Never hesitate to take or make a call again. And with VoiceAware, you can choose how much of your own voice to hear by controlling the amount of mic input routed back into your earbuds.

Technical specifications:

General Specifications:

• Driver size (mm): 12
• Number of Microphones: 4

Audio Specifications:

• Driver sensitivity at 1kHz/1mW (dB): 110
• Dynamic frequency response range (Hz): 20 Hz – 20 kHz
• Impedance (ohms): 32

Dimensions:

• Charging Case Weight (oz): 1.4
• Earpiece Weight (oz): 0.3
• Charging Case Weight (g): 38.6
• Earpiece Weight (g): 9.6

Control and Connection Specifications:

• Bluetooth version: 5.2
• Bluetooth profiles: A2DP V1.3, AVRCP V1.6, HFP V1.7
• Bluetooth frequency: 2.4 GHz - 2.4835 GHz
• Bluetooth transmitted modulation: GFSK, π/4-DQPSK, 8DPSK
• Bluetooth transmitter power: <11 dBm

Battery:

• Maximum talk time (hours): 4.5
• Charging case battery life (max hours): 18
• Charging time (hours from empty): 2
• Maximum music play time with ANC off (hours): 8
• Maximum music play time with ANC on (hours): 6
• Maximum play time (hours): 32

Features:

• Sweat Proof: Yes
• Active Noise Cancelling: Yes
• Water Resistant: Yes
• IP Code: IPX4
• Charging cable: Yes
• Ambient Aware: Yes
• Built-in Microphone: Yes
• Hands-Free Call: Yes
• JBL Pure Bass Sound: Yes
• TalkThru: Yes
• True Wireless: Yes
• Wireless: Yes
• Charging case: Yes
• Rechargeable battery: Yes
• Bluetooth: Yes

Items included:

• 1 x JBL Tune Flex headphones
• 1 x Charging case
• 1 x USB Type-C charging cable
• 1 x open eartip
• 1 x 3 sizes of sealing eartips
• 1 x Warranty / Warning
• 1 x Quick Start Guide / Safety Sheet