Rated Viktage (V)	1.5
Operaing Voltage (V)	1.2 ～ 3
Soung Output at 10cm (dB)	≥80
Current Consumption (mA)	≤20
Resonant Frequency (Hz)	2300±300
Operating Temperature (℃)	-20～＋70
Storage Temperature (℃)	-30～＋80
Weight (g)	2.0