Upgraded BT 5.1, fast and stable connection.
Dual-channel stereo, immersive HiFi sound quality.
Built-in microphone, sensitive touch control.
Transparent shell, unique macaron color.
Parameter: 1. Material: ABS+PC 2. BT version: 5.1 3. Connection range: <=12 meters 4. Speaker diameter: 13mm 5. Speaker sensitivity: 115 +/- 3dB 6. Speaker Impedance: 32ohm 7. Speaker frequency response: 20Hz~20KHz 8. SNR: >70 9. Earbud weight: about 3g x2 10. Earbud battery capacity: 30mAh 11. Playing time: about 5 hours 12. Calling time: about 4 hours 13. Earbud charging time: about 1 hour 14. Charging case weight: about 35.5g 15. Charging case battery capacity: 300mAh 16. Charging time for the case: about 1 hour 17. Charging case Input: 5V 18. Standby time: about 25 hours 19. Charging case size: 56*50*26.7mm 20. Compatibility: for iOS/Android devices with BT function