Music light Smart Bluetooth speaker White noise alarm clock wake up sleep mobile APP control

Application scenario: desktop, outdoor, home, mobile portable
Connection mode: Bluetooth connection
Frequency response range: 100HZ-20KHZ
SNR: ≥75dB
Effective distance: 10 meters
Box material: plastic
Appearance size: 214*172*76
Item number: Conch audio
Power supply: USB
Bluetooth version: 5.3
Built-in battery capacity: 2000mAh-4000mAh (inclusive)
Rated power: 5