WISQGOO Music Spectrometer, Vacuum Fluorescent Display Clock, Vintage VFD Clock, Bluetooth 5.0 Receiver, 2-Way Audio Switcher, 4-In-1 Multifunction VFD Clock,Pixel VFD Digital Clock, VFD Display

‌All-in-One Powerful Integration：Integrates audio spectrum analysis, Bluetooth 5.0 reception, 2-in-1 audio switching, and high-precision timing, compatible with multiple devices like phones and computers. Accurate and Professional Display: Features a 25×15 high-resolution VFD screen, covering the 80Hz - 16KHz frequency range. The special AGC algorithm ensures good visual effects for both weak and strong signals, and it also supports frequency point testing. Flexible Customization + Memory: Multiple parameters such as gain and brightness are adjustable. There are 5 spectrum modes and 2 clock modes, with power-off memory to avoid repeated settings. Convenient and Good-looking: Comes with a remote control for easy operation. The shell is made of all-aluminum and high-transparency acrylic, with a retro and exquisite design that doesn't take up desktop space. Precise and Long-lasting Timing：Equipped with an RX8025T chip with temperature compensation, achieving an accuracy of ±3ppm and an annual error of less than 1 minute, no calibration needed for long-term use.