Bluetooth 5.0 Audio Spectrum MIC Pickup VFD Sound Level Meter Display w/ AGC

Specifications

Accurate music spectrum analyzer & clock display: adopts dedicated VFD display screen with 25 × 15 high resolution, guaranteeing the accuracy of each frequency band. Also with a high-precision clock display, using SD3078 built-in crystal oscillator which can ensure that the clock accuracy is ±3.8ppm, month error within 10 seconds, very cool and interesting. Wide frequency range display & versatile input: Support 20Hz-20KHz frequency sweep, high-precision display even can do frequency point test. With AUX/BT/MIC pick-up, you can easily see every subtle change in sound. When connected to Bluetooth, the 3.5mm jack switches from input to output, allowing it to function as a Bluetooth receiver.

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