1. Wireless V4.2 JL
2. Input voltage: DC12-24V
3. Output current: 5V-2.1A 5V-1A
4. FM frequency: 87.5-108MHz
5. Capacity: U disk / TF card <32G
6. Audio format: MP3/WMA/WAV/FLAC
7. Distance: 5-10 m (Wireless); 5 m (FM)
8. Applicable models: Apple / Android
9. Product weight: 31g
10. Dual USB charging, LED display, one-touch hands-free calling function