B39 Wireless Bluetooth Headset Subwoofer With Breathing Light Support TF Card(Pure White)

1. Seven-color LED breathing light, surround sound effect2. Colorful lights, audio synchronization, ultra-clear calls, HIFI sound quality, long-lasting battery life, TF memory card, comfortable to wear, waterproof and sweatproof3. Bluetooth 5.1 chip, faster and more stable connection, clear and smooth listening to songs and games4. Strong and optimal material, comfortable and long-lasting to wear5. Large-diaphragm loudspeaker, balanced and restored sound layering6. High-definition noise reduction, breathable earmuffs, no pain after long-term wear7. Charging time is 2 hours, standby time is 800 hours8. Listen to 280 songs continuously, and the talk time is 12 hours9. Support TF card: 128M-16GB10. Transmission range: 10 meters11. Bluetooth protocol: 5.112. Battery capacity: 400mAh