Max Sound Output: ≥120 dB
Max Sound Gain: ≥30 dB
Harmonic Wave Distortion: ≤15%
Frequency Range: 250～3800 Hz
Input Noise: ≤50 dB
Battery: Rechargeable NI-MH
Working Voltage dc1.5V
Working Current: ≤4mA
Operating Voltage: 0.2 ± 0.1V
Color: Beige
Size: 1.8 x 1.4 x 1.6cm/0.7 x 0.5 x 0.6in(H x L x T)
Package Included:
1 x Hearing Aid
1 x Charger
4 x Earplugs
-Main Unit sizes 29*19*19mm, NW:3G
-Five adjustable vlolume control
-ON/OFF Switch
-Blister gift clolor box
-Small size ,great power ,easy operation.
-Lound and clear voice
-Include batteries and extra tips
