Maximum Sound Output: ≤125+3dB
Average Sound Output: 115±4dB
Maximum Sound Gain: 45±5dB
Average Sound Gain: 35±5dB
Equivalent Input Noise: ≤15dB
Frequency Range: 400Hz~4500Hz
Net Weight: 3g
Battery: A13 zinc air battery
Single package size:
15X11X5 cm
Single gross weight:
0.320 kg