Description
Bluetooth Hearing Aids for Adults Smart Hearing Amplifier
Wireless Rechargeable Hearing Aids for Seniors
Feature:
*5 Volume Levels
*16 Channels
*USB Rechargeable
*Noise Reduction
*Bluetooth Function–Bluetooth should over 5.3 (make calls and music)
*Easily Control–Press the Button to Adjust Volume
Technical Specification:
Working voltage:DC3.7V(lithium battery) Battery:40mAh
Capacity battery life:>10h Bluetooth version:BT5.3
Shutdown power consumption:<10uA Transmit power:-2dbm~8dbm
Frequency deviation:-15KHz~+15KHz Receive sensitivity:≤-80dbm
Maximum OSPL90:≤112dB+5dB
High frequency average OSPL90:100dB±5dB
Full sound gain (average high frequency):26dB±5dB Total harmonic distortion:≤5%+3%
The frequency response range is not narrower than:300Hz~5000Hz Equivalent input noise leve:≤25dB
Rated power supply current consumption (in hearing aid mode):3(mA)
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