S7 Smart Digital Display Music Player Calling Car Charger

1. With FM transmitter
2. Frequency digital voltage display, more convenient to use
3. Independent Bluetooth start/shutdown button, easy to operate
4. Support using U disk memory card to play music
5. Can answer/hang up/reject/resend via Bluetooth
6. Call echo cancellation and noise reduction (CVC) technology
7. USB output voltage, can provide voltage up to 5V/2.1A to other devices
8. Automatic memory function with power failure frequency point
9. Material: ABS+PC, electronic components
10. Support music format: MP3/WMA
11. Voltage: DC12-24V
12. Dimensions: 7.3 x 8.8 x 2 cm
13. Product net weight: 60 grams