S2 Car Wireless MP3 Player Car Charger(Blue Black)

1. Input voltage: 12-24V
2. USB output: 5V/2.4A
3. Type-C output: PD30W (5V/3A, 9V/3A, 12V/2.5A)
4. Frequency: 88.1-107.9 MHz
5. Car battery voltage display: car battery monitoring
6. Built-in microphone for hands-free calls and A2DP music playback
7. Ability to automatically switch from music playback mode to hands-free mode
8. Support voice prompts, USB reading function, MP3/WMA format files