1. Multiple display modes: Featuring a total of 10 display modes, this voicecontrolled music level VU meter accurately reflects true level values across the full frequency range, delivering a more responsive performance compared to mechanical instruments. 2. Button adjustment function: Equipped with a practical button control, a short press switches between modes, while a long press adjusts the rearview mirror display mode and gain during power on/off. It also enables quick time setting by briefly switching to time display mode and calibrating the time via power cycling. 3. Power mode and color screen: Powered by USB 5V, this device is portable and ready for use anytime. The interface and buttons are conveniently placed on the same side. It features a 1.3inch definition 16bit colorchanging screen. 4. Durable and compact design: The PMMA protective case ensures screen safety, while the compact body enhances portability. for both indoor use and desktop decoration.