1. Bluetooth version: 5.2 2. Product material: PC+ABS 3. Product size: 73x33x14mm 4. Input voltage: DC 12/24V 5. Wireless distance: 10m 6. Support TF card playback, one-key hands-free call 7. Support FM frequency modulation or 3.5mm AUX interface for Bluetooth connection 8. LED real-time digital display
