DV-680 Solar Megaphone Wireless Bluetooth Outdoor Recording Speaker Loudspeaker

1. Material: ABS, electronic components2. Main functions: FM, Bluetooth, TF, USB, solar flashlight, recording, amplification3. Bluetooth version: 5.34. Effective distance: 10 meters5. Number of speakers: 26. Speaker specifications: 78mm7. Signal-to-noise ratio: 75dB8. Frequency response range: 100HZ-20KHZ9. Output power: 8W10. Battery capacity: 1200 mAh11. Playing time: 3 hours12. Charging voltage: 4.7-5.3V13. Supported formats: U disk + TF card14. Playback format: MP315. Adjustment method: button16. Interface type: USB17. Connection method: Bluetooth connection18. Voice channel: megaphone19. Product size: 214 x 217 x 135mm20. Net weight: 531 grams