Dimensions 9x5.5mm rated voltage 5VDC voltage 3 ~ 6VDC rated current ≤ 50mA output sound pressure ≥ 82dB generated frequency 2800 ± 400Hz Case Material PPO weight 2g
Dimensions φ9.6x5.0 rated voltage 5VDC voltage 3 ~ 6VDC rated current ≤ 50mA output sound pressure ≥ 80dB generated frequency 3200 ± 300Hz Case Material PPO weight 2g
Dimensions φ12x9.5mm rated voltage 5VDC voltage 4 ~ 7VDC rated current ≤ 30mA output sound pressure ≥ 85dB generate frequency 2300 ± 400Hz Case Material PPO weight 2g