1. Material: ABS+PC
2. Bluetooth version: 5.0
3. Power supply voltage: 12-24V
4. Bluetooth distance: 10 meters without obstacles
5. Support MP3/WMA/APE/FLAC/WAV audio format
6. USB input: DC 5V/100mA
7. Transmission frequency: 87.5-108MHZ
8. TF capacity expansion: about 32G
9. Small and exquisite, easy to use
10. High resolution, high performance stereo, lossless music playback
11. Wireless 5.0 version supports wireless audio playback and wireless hands-free calling
12. The voice navigation function supports most map applications
13. High resolution restores more music details, bringing CD-level music experience
14. Turn on the bluetooth of the mobile phone, retrieve and connect the S-23, and turn on the bluetooth of the mobile phone to connect directly and automatically next time
15. 10-meter wireless transmission, support two mobile phones within 10 meters of barrier-free signal transmission
16. Support TF card playback (not included)
17. Product size: 45x45x150 mm
18. Weight: about 55 grams