Battery microphone refers to the microphone that needs to be increased in volume and cannot provide power

1. Built-in rechargeable 7V lithium battery, 2 hours of operation and 48 hours of standby;
2. The maximum charging voltage is 5V and the maximum current is 1A;
3. The indicator flashes fast to prompt low power;
4. Built-in power amplifier module, driving high volume, maximum 100dB;
5. The volume is digitally adjustable, and the volume can be adjusted through the volume up/down buttons on the top of the microphone;
6. Dual-PTT design, main PTT+"one-touch call PTT" (i.e. press once to start call and press again to end call);
7. Power-on/off key functions save power;
8. Supporting selection of wireless remote controller PTT;
9. Undertake OEM and EDM services.