Model LK348
Standard Features:
√ Attractive smallest design.
√ Ultra-light weight.
√ Less noise, fine fidelity and tone.
√ With volume adjustment switch.
Specification:
Max Sound Output: 120±5dB
Sound Gain: ≥35dB
Total Harmonic Wave Distortion: ≤5%
Frequency Range: 350---4500Hz
Input Noise: ≤50dB
Voltage: 1.5V /1.3V
Current: 1.5mA
Battery: AG3/ A312 Button Cell
Estimated Battery Life: Over 144 hours