ROCK B301 Dual USB + PD Bluetooth 5.0 FM Transmitter & Car Charger, Support TF Card / U-disk(Black)

1. Working voltage: 12V/24V
2. Output:
- USB-1: 4.5V/5A, 5V/4.5A, 9V3A, 12V/2.4A
- USB-2: 5V/1.5A
- Type-C: 5V/3A, 9V/3A, 12V/2.4A
3. Transmission frequency: 87,5-108.0MHz
4. FM transmission distance: <5m
5. U disk capacity expansion: <= 32G
6. Audio format: MP3 / WAV / FLAC / APE / WMA
7. Compatible devices: iOS & Android
8. Size: 36x48x71mm