Inhouse product
Description
> Model: WS1816
> Product type: Full metal K microphone
> Frequency range: 100HZ-10KZ
> Output Power: 3WX2 (Speaker)
> Maximum Sound Pressure:> 115db 1kz THD <1%
> River mode: Echo sound reversal
> Battery capacity: 2600 mAh
> Power supply: Built-in lithium polymer battery
> Charging power supply: DC5V
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