Audio Sound Amplifier Invisible Bluetooth Rechargeable Digital Hearing Aids

Basic Info.

Model NO.	Dragon CF430S B+
Conduction Mode	Air Guide Hearing Aid
Principle	All Digital Hearing Aid
Type	BTE
Suitable for	Adults Senior Hearing Improving
Accessories	Cleaning Tools
Warranty	1 Year
Channels	4/8/16 Channels
Transport Package	Standard
Specification	standard
Trademark	OEM
Origin	China
HS Code	9021400090
Production Capacity	10000PCS / Month

Product Description

130nm digital signal processing chip4-channel automatic volume control (WDRC) Hyper cardioid pickup pattern microphoneDouble microphonesMiddle-power output with low distortionAdaptive feedback cancellationLayered Noise ReductionAutomatically saving volume & ModeMultiple functions with one button3 program modes(P1 Quiet Environment Mode, P2 Noise Reduction Mode, P3 Advanced Noise Reduction Mode)Mode switch prompt toneVolume change prompt toneLow battery warning indicatorBooting delay prompt toneMagnetic catch chargingBooting Automatically out of the box,Power off in the boxBLE wireless Bluetooth control

Function:

- APP control (HA smart)

- 130nm digital signal processing chip

- 4-channel automatic volume control (WDRC)

- Hyper cardioid pickup pattern microphone double microphones middle-power output with low distortion adaptive feedback cancellation

- Layered noise reduction automatically saving volume & mode multiple functions with one button- 3 program modes mode switch prompt tone volume change prompt tone

- Low battery warning indicator booting delay prompt tone magnetic catch charging

- Booting automatically out of box, power off

Specification

Peak OSPL90(dB SPL)	107±3dB
OSPL90-HFA(dB SPL)	104±3dB
Peak Gain(dB)	31±4dB
HFA/FOG Gain(dB)	28±4dB
Equivalent input noise(dB)	≤30dB
Frequency response range(Hz)	F1≤500Hz F2≥4000Hz
Harmonic distortion	≤3%
Battery drain	NA
Warranty	1 year
Packing	15.3x9.6x5.8cm
Certificate	CE, FCC, ISO, ROHS