1. Bluetooth 5.4 + ER/BDR
2. Chip: Jiali 6973d
3. The earphone capacity is 40mA, and the charging box capacity is 400mA.
4. Music playback time: 5-7 hours, charging times: 3 times
5.Speaker unit: Φ13mm 32Ω
6. Pause / Play, Volume Up / Down, Next / Previous
7. Bidirectional calling, automatic pairing when the phone is turned on
8. Waterproof level: IPX5-6
9. Hi-Fi sound, chip intelligent noise reduction,
10. Three-digit display function
11. TYPE C charging port, private mold patent
12. Wireless charging function is optional
13. Color: Black / White















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