| Type | JPT9050-01 | JPT9050-03 |
| Rated Voltage (V) | 1.5 | 3 |
| Operating Voltage (V) | 1～2 | 2～5 |
| Rated Current (mA) | ≤70 | ≤50 |
| Coil Resistance (Ω) | 5.5±1 | 25±3 |
| Sound Output at 10cm (dB) | ≥90 | |
| Resonant Frequency (Hz) | 2731 | |
| Operating Temperrature (℃) | -25～+70 | |
| Storage Temperature (℃) | -30～+85 | |
| Weight (g) | 1 | |
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