Audio Sound Amplifier Invisible Bluetooth Rechargeable Digital Hearing Aids

• Customized: Customized
• Certification: ISO, RoHS, CE, FDA
• Condition: New
• Output Type: High Power
• Signal Processing Type: Digital Hearing Aid
• Application: Children, Adult, Elderly
• Model NO.: Dragon CF430S B+
• Conduction Mode: Air Guide Hearing Aid
• Principle: All Digital Hearing Aid
• Type: BTE
• Channels: 4/8/16 Channels
• Warranty: 1 Year
• Suitable for: Adults Senior Hearing Improving
• Accessories: Cleaning Tools
• Transport Package: Standard
• Specification: standard
• Trademark: OEM
• Origin: China
• HS Code: 9021400090
• Production Capacity: 10000PCS / Month

Product Description

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(P1 Quiet Environment Mode, P2 Noise Reduction Mode, P3 Advanced Noise Reduction Mode)
Mode switch prompt tone
Volume change prompt tone
Low battery warning indicator
Booting delay prompt tone
Magnetic catch charging
Booting Automatically out of the box,
Power off in the box
BLE 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