Rechargeable Hearing Aid, Bluetooth 5.0 Sound Amplifier, Invisible Hearing Aid, Deaf Hearing Aid
-Bluetooth 5.0
-Listen to music via Bluetooth
-Can make phone calls via Bluetooth
-Full digital 16-channel WDRC
-Mobile app control
-Headphone charging time is 1.5 hours
-Listening time with headphones alone is ≥8 hours
-Charging time in charging compartment is 2.5 hours
-Total battery life of charging compartment is ≥25 hours
-Bluetooth transmission distance 10 meters
90 dB output sound pressure level: maximum value < 120 + 4 dB
50 dB saturated output sound pressure level:
Maximum value 45 ± 5 dB
Average 40+5 dB
|Frequency range (Hz): 300~4500Hz
Harmonic Distortion:
500Hz<7%
800Hz<7%
1600 Hz < 7 %
Equivalent input noise: < 29 dB
Working time: 10 hours on a single charge
Working current: < 10 mA
Battery type: Lithium battery
Weight: 3g
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