Features:*Versatile Receiver and Audio Switcher:Equipped with -compatible 5.0 and 2 sets of 3.5mm AUX inputs, making it compatible with various devices such as phones, PCs, game players, , and speakers.*Accurate High-Precision Clock:Utilizing the RX8025T built-in for CRYSTAL oscillator, this device offers a clock accuracy of ±3ppm, with a maximum year error within 1 minute, adding a cool and interesting feature to its functionality.*Wide Frequency Range and Special AGC Display:The frequency sweep covers a range of 80Hz-16KHz, while the high-precision display allows for precise frequency point testing. The specially designed AGC algorithm and adjustable output curve ensure visual effects even with input signals of varying amplitudes.*Adjustable Settings and Display Effects:With 5 music spectrum display modes and 2 clock display modes, all settings are equipped with a power-off memory function, eliminating the need to reconfigure after restarting.*Attractive Design and User-Friendly:The CNC machined aluminum and transparent acrylic casing not only provides durability but also adds an attractive touch to your desktop setup, all while occupying minimal space.Specifications:*Part Name:VFD Spectrum Sound Level Meter*Material:CNC machined aluminum, transparent acrylic case*Size:About 184*75*66 mm(W*D*H)*Color:Black,Silver(Optional)*Display screen:VFD (Vacuum Fluorescent Display)*Resolution:25 × 15*Frequency range supported:80Hz-16KHz*Display item:music spectrum / clock*Audio signal input:MIC / -compatible 5.0 / 2 groups of 3.5mm AUX*Audio signal output:1 group of 3.5mm AUX*Working voltage:DC 5VPackage Content:1 * VFD Spectrum Sound Level Meter