1. Chip: AD6973D4 2. Bluetooth version: V 5.4 3. Transmission distance: 10m 4. Charging voltage: DC5V 5. Charging time: 1 hour 6. Talk time: 6 hours 7. Music duration: 7 hours 8. Standby time: 3 months 9. Battery capacity: 50mAh 10. Charging compartment battery capacity: 400mAh 11. Latest Bluetooth 5.4 for Low Power & Stable Transmission: Ensures faster, more stable connections with lower power consumption for extended battery life. 12. Smart Auto Power On & Off: Automatically turns on when removed from the case and turns off when placed back, ensuring effortless operation. 13. Advanced ANC Noise Cancellation for Immersive Sound: Reduces ambient noise for a high-fidelity audio experience and clearer calls. 14. Voice Assistant & Caller ID Announcement: Supports Siri and Google Assistant for hands-free voice control; announces caller ID to avoid missing important calls. 15. Bilingual Voice Prompts (Chinese & English): Easily switch between Chinese and English voice prompts to accommodate global users.
