Features: 01. Supports Bluetooth lossless music playback, Bluetooth can connect two mobile phones simultaneously, with one supporting hands-free calls. 02. USB1 and Type-C fast charging ports support SCP, FCP, PPS, PD3.0, QC3.0/QC4.0, MTK PE+, and other mainstream fast charging protocols. 03. Supports music playback from U disk and TF card. 04. High-definition LED display with battery voltage detection. 05. Voice prompts for incoming calls, number announcement, and support for map navigation and other APP audio functions. Parameters: Input voltage: DC12/24V Output voltage/current: - USB1 output: 4.5V/5A, 5V/4.5A, 9V/3A, 12V/2.4A - Type-C output: 4.5V/5A, 5V/4.5A, 9V/3A, 12V/2.4A - USB2 output: 5V/1.5A Total output power: 36W (MAX) Transmission frequency: 87.5–108.0MHz FM transmission distance: less than 5 meters Bluetooth version: 5.0 Bluetooth range: up to 10 meters U disk/TF card capacity: up to 32GB Audio formats: MP3, WAV, FLAC, APE, WMA Compatible vehicles: Universal for 12V–24V systems Compatible mobile phones: Apple, Android, and other mainstream smartphones