JBL Tune Flex 2 Noise Cancelling TWS Earbuds Features & Specifications 

Key Features:

• JBL Pure Bass Sound with Spatial Sound
• Adaptive Noise Cancelling with Smart Ambient
• 6 Mics for perfect calls and a customized call experience
• Personi-Fi 3.0 for personalized audio
• 2 Ear Tip Sound Modes for a tailored listening experience
• Up to 48 Hours Total Playback
• IP54 Dust and Water Resistant
• Multi-Point Connection and Fast Pair enabled by Google
• Compatible with the JBL Headphones App

Specifications:

Bluetooth:

• Bluetooth Version: 5.3
• Bluetooth Profile Version: A2DP V1.4, AVRCP V1.6.2, HFP V1.8
• Bluetooth Transmitter Frequency Range: 2.4 GHz - 2.4835 GHz
• Bluetooth Transmitter Power: ≤10 dBm (EIRP)
• Bluetooth Transmitter Modulation: GFSK, π/4-DQPSK, 8DPSK

Audio:

• Driver Size: 12mm / 0.47” Dynamic Driver
• Frequency Response: 20 Hz - 20 kHz
• Impedance: 13ohm
• Sensitivity: 98dB SPL @ 1kHz
• Maximum SPL: 95dB
• Microphone Sensitivity: -38dBV/Pa @ 1kHz

Battery & Charging:

• Earbud Battery Type: Lithium-ion (55mAh / 3.85V)
• Charging Case Battery Type: Lithium-ion (545mAh / 3.85V)
• Charging Time: 2 hours
• Music Playtime: With BT on & ANC off: Up to 12 hours | With BT on & ANC on: Up to 8 hours
• Talk Time: With ANC off: Up to 5 hours | With ANC on: Up to 4.5 hours
• Power Supply: 5V 1A