M-K8 Auricolare Bluetooth con auricolare a conduzione aerea modello aziendale (nero)

1. Chip: Jerry 6976 2. Speaker: 32 Euro 0910 3. Battery capacity: 90mAh 4. Use time: listening to songs about 10H, talking about 12H 5. Charging time: about 1H 6. Charging interface: USB 7. Effective distance: about 10m 8. Frequency: 20Hz-20KHz 9. Sensitivity: 85dB 10. Waterproof rating: IPX 5 Features: 1. Caller voice announcement, clear identification of the caller's number, the call is more convenient to connect, safer driving 2. Built-in dual noise reduction system, intelligent noise filtering, reduce interference during calls 3. Not into the ear canal, long time sports wear will not swell, sore (right ear wear) 4. Angled curve fit, wear stable and comfortable 5. Intelligent AI chip, stable transmission without lagging 6. Tight design, effective protection against rain, sweat, easy to clean material 7. AI intelligent buttons, easy to operate 8. Intelligent display of remaining power