Send Inquiry
Max Sound Output: 130 ±5 dB Max Sound Gain: =50 dB
Harmonic Wave Distortion: =5‰
Frequency Range: 300~4000 hz
Input Noise: =30 dB
Battery: AG13 Button battery
Max Working Hours with Standard Battery: 70 h
Working Voltage: D.C. 1.5V
Working Current: =4 mA
Measurement: 5.3×4.4×1.0 cm
Net Weight: 9 g (without Battery)
Special Function Key: None
