Wholesale 8 16 channel fast charging bluetooth hanging neck hearing aid

THA-F307

Product Description

1. Howling suppression

2. Intelligent hearing loss compensation algorithm, quick entry into hearing aid mode

3. Free switching between hearing aid mode and Bluetooth mode

4. Soft and skin-friendly, comfortable to wear

5. High-definition sound quality, multiple noise reduction, and avoidance of noise

6. Quick charging, instant charging and recycling

7. New generation Bluetooth technology, lower power consumption, faster transmission and more stable connection

Product Specifications

Maximum 0SPL90: ≤105dB+3dB High frequency average OSPLgo: 100dB±4dB

Full sound gain (high frequency average): 28dB ± 5dB

Equivalent input noise level: ≤27dB+3dB

Harmonic distortion: ≤5%+3%

Frequency response range is not narrower than: 300Hz~5000Hz

Working voltage: DC-3.7V

Rated power supply current consumption: 10 (mA)

Battery capacity: 200mAh

Battery life: more than 30h

Shutdown power consumption: < 10uA

Bluetooth version: BT5.3

Transmit power:-2dbm~8dbm

Receiving sensitivity: ≤-80dbm

Frequency deviation:-15KHz~ +15KHz

Weight: about 50g

Dimensions: 19mm x 148mm x 175mm

Certificate: FDA, electronic CE