Children's wireless bluetooth microphone spot microphone speaker integrated
--Bluetooth version5.3 Built-in battery capacity1000mAh-1200mAh (inclusive)Signal-to-noise ratio≥70db Frequency response range100HZ-20KHZRated power5 Rated voltage5Shell processElectroplating, injection molding Battery life3-6h (inclusive)Radio headCapacitor Whether built-in batteryBuilt-in battery