Home Products Hearing Aids 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