**Product Specifications:**
**Brand:** JBL
**Model:** TUNEFLEX2
- **Upgrades:** Enhanced features including TUNE FLEX2, TUNEFLEX, Spatial Audio, Personalized Sound Effects, LEAudio High-Speed Transmission, Noise Reduction Modes, Adaptive Noise Cancellation, Active Noise Cancellation, 6-mic and 4-mic configurations
- **Battery Life:** Up to 12 hours with an additional 36 hours in the charging case, or up to 8 hours with an additional 24 hours in the charging case
- **Fast Charging:** 10 minutes of charging provides up to 3 hours of playback
- **Bluetooth Version:** BT5.3 and BT5.2
- **Special Features:** TUNESTUDIO Sound Tuning, IP54 Dust and Water Resistance
- **Design:** Transparent design with dual-mode wearing options
- **Sound Quality:** Enhanced bass effects, immersive spatial audio, and personalized sound profiles
- **Personalization:** Personi-Fi 3.0 for personalized audio optimization
- **Connectivity:** LEAudio technology for high-quality, low-latency audio transmission
- **Noise Cancellation:** Adaptive noise cancellation with dual microphones for precise noise reduction
- **Battery Life:** Up to 48 hours of total playback time with ANC on, quick charge feature providing 3 hours of playback with just 10 minutes of charging
- **Bluetooth:** Latest Bluetooth 5.3 technology for reliable and stable connections
- **Durability:** IP54-rated for dust and water resistance
- **Controls:** Touch controls for easy operation
- **Microphones:** 6-microphone array for crystal-clear call quality
- **Voice Assistants:** Compatible with BIXBY, SIRI, and other voice assistants
- **History:** JBL, a legendary brand with 78 years of expertise in audio technology, known for award-winning sound quality and innovative products
- **Certifications:** Recognized with awards such as Grammy, Oscars, and technical achievement awards
- **Collaborations:** Partnerships with renowned brands like Ferrari and smart
- **Sound Quality:** Each JBL headphone undergoes rigorous acoustic testing and tuning to ensure premium sound quality
- **Testing:** Sound quality is calibrated to meet the Harman Headphone Curve standard for exceptional audio performance
**Note:** The specifications provided are based on the information given and may vary based on the specific model or version of the product.