ETE-16 TWS Semi-In-Ear Digital Display Sports Bluetooth Earphones (Black) Filter-Speaker Bracket and can better make the

and can better make the connection between the twisted pair and the crystal head

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ETE-16 TWS Semi-In-Ear Digital Display Sports Bluetooth Earphones (Black) Filter-Speaker Bracket and can better make the1. Bluetooth version: 5. 0 2. Bluetooth protocol: A2DP AVRCP H SP H FP 3. Frequency response: 24GHz 20KGHz 4. Headphone battery: 30mAh 5. Charging case battery: 300mAh 6. Battery life: about 3 hours (80% volume) 7. Talking time: about 3 hours (80% volume) 8. Speaker: 13mm 9. Charging port: Type C 10. Charging current: 5V 1A 11. Charging time: 1. 5 hours 12. Weight: single earphone 4g, including charging case 39g Specification: Package Weight One