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  • In-the-ear auxiliary hearing earphone

  • Model : CH-R337
  • Working voltage:DC3.7V (lithium battery)
    Battery capacity :40mAh
    Battery life:>10h
    Bluetooth version:BT5.3
    Product size:62mm x 40mm x 32mm
    Net weight:About 30g
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In-the-ear auxiliary hearing earphone

SPECIFICATIONS

Product name:In-the-ear auxiliary hearing earphone
Product model:CH-R337
Working voltage:DC3.7V (lithium battery)
Battery capacity :40mAh
Battery life:>10h
Bluetooth version:BT5.3
Shutdown power consumption:<10uA
Transmit power:0dbm~8dbm
Frequency deviation;-15KHz~+15KHz
Receive sensitivity:<-80dbm
Maximum OSPL90:<112dB+3dB
High frequency average oSPL90:106dB士5dB
Full sound gain (average high frequency):29dB士5dB
Total harmonic distortion:5%+3%
The frequency response range is not narrower than:300Hz~5000Hz
Equivalentinput noise level:<22dB+3dB
Rated power supply current consumption
(in auxiliary hearing mode):<3 (mA)
Product size:62mm x 40mm x 32mm

Net weight:About 30g


Illustration of Product Parts




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