Maximum Saturation

 Sound Pressure:

130 ± 5 dB

Maximum File Acoustic Gain:

≥52 dB

Harmonic Distortion:

≤5‰

Frequency response:

450~3500hz

Equivalent Input Noise:

≤30 dB

Standard Battery:

AG13 or A675 Button cell

Max Working Hours with

 Standard Battery:

70 h

Working Voltage:

D.C. 1.5V

Operating Current:

≤4 mA

Measurement:

5.3×4.4×1.0 cm

Net Weight:

9 g (without Battery)

Special Function Key:

None

Color:

 Beige