Yesido In-Ear TWS Bluetooth Earbuds TWS38

. Bluetooth version: V5.4
2. Operating frequency: 2.402GHz-2.480GHz
3. Effective range: Approximately 10 meters
4. Microphone sensitivity: -42dB-+3dB
5. Headset battery: 3.7V/30mAh
6. Charging case battery: 250mAh
7. Music playback time: Approximately 5 hours
8. Talk time: Approximately 4 hours
9. Standby time: Approximately 30 hours
10. Headset charging time: Approximately 1.5 hours
11. Compact size, comfortable fit, and comfortable to wear for extended periods
12. High-definition microphone for precise sound pickup and noise reduction, ensuring clear voice recognition