Model LK168
Standard Features:
- Less noise, fine fidelity and tone.
- With volume adjustment switch.
- ON/OFF Switch
Tested according to International Standard IEC18-7
Max Sound Output: 128±5dB
Sound Gain: ≥38dB
Total Harmonic Wave Distortion: ≤10%
Frequency Range: 400—-4500HzInput Noise: ≤30dB
Voltage: 1.5V
Current: ≤4mA
Battery: with A675 Zinc-Air /AG13
Button Cell Estimated Battery Life: Over 100 hours /35 hours