Bluetooth 5.0 Binaural Stereo Wireless Music Calling Cap Outdoor Sports Baseball Hat(Navy Blue)

1. Bluetooth version 5.0, low latency, stable and fast connection2. Wide compatibility, compatible with almost all devices with Bluetooth function3. High-fidelity stereo sound quality, clear calls4. Detachable design for easy cleaning5. Peaked brim, sun protection6. Breathable fabric, comfortable fit7. Functions: sunshade, music, Bluetooth calls8. Bluetooth protocol: 5.09. Transmission range: 10 meters10. Whether single and binaural: bilateral stereo11. Battery capacity: 250 mAh12. Working hours: 6-7 hours13. Size: Free size