1.5 inch color screen with a 180-degree rotatable neck provides a wider viewing angle for incoming caller ID, battery voltage and other information, increasing driving safety and convenience. Real-time information display includes: Caller ID, music lyrics display, volume and sound adjustment, and voltage information. Voltage monitoring with low-voltage flashing alarm. Breakpoint memory is supported. Supports U-Disk and TF card playback, with synchronized lyrics display. Customizable sound with strong bass and precise treble. Suitable for use in cars and with mobile devices. Compatible with mainstream 12V-24V vehicles and a wide range of apps. Supports multiple charging protocols including QC 3.0, QC 2.0, PD, Huawei FCP, Samsung AFC, BC1.2, Apple 2.4A and others. Hi+ DSP dual-core architecture with CVC intelligent noise reduction and noise cancellation delivers smoother music and clearer calls. Use scenarios: - Daily commuting: keep track of caller ID while driving, monitor vehicle voltage, and enjoy stored or streamed music with clear calls. - Long road trips: lyrics synchronized with songs, customizable sound settings, and reliable charging for devices over extended distances. - Ride-share or fleet use: playback from U-Disk or TF cards, multiple app compatibility, and efficient charging for both driver and passenger devices.