1. Bluetooth version: V5.4 2. Audio decoding: SBC, AAC 3. Speaker specifications: 13mm 4. Frequency response: 15-20000Hz 5. Battery specifications: 3.7V/40mAh 6. Charging case capacity: 400mAh 7. Bluetooth effective distance: about 15m 8. Charging interface: Type-C 9. Experience seamless and ultra-fast connection with advanced dual V5.4 Bluetooth chips, ensuring low latency of only 0.06 seconds for delay-free audio streaming and calls 10. 48dB deep noise reduction combined with six-microphone AI call noise reduction blocks external noise and improves call clarity even in noisy environments 11. 13mm dynamic coil provides high-fidelity sound and rich details, ensuring an excellent audio experience 12. Up to 7 hours of playback when using earbuds alone, and up to 30 hours when used with the charging box
