2.4GHz Wireless Microphone System, 7h Continuous Working Plastic + Electronics Snap On Microphones for Mixer
- The buzzer is packaged with direct insert SOT laminate tube..
- The frequency of the buzzer is around 2300+-50..
- Made of high quality material of good stability..
- Powered by 3.5~5.5V and the current is less than 25mA..
- These are electromagnetic type long sound premium buzzer..