Description
Specifications
-Max sound out put:118+/- 4dB
-Sound gain:>= 32dB+/- 5dB
-Total harmonic wave distortion:<= 5%
-Frequency range:300-3800MHz
-Input Noise:<=30dB
-Voltage:d.c.1.4V
-Current:<=1.5mA
-Full charging with 4~6 hours
-Working about 35 hours
Package includes
1PCS x digital hearing aid (not 1 pair)
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