Item number: M15
Connection method: Bluetooth connection
Frequency response range: 20Hz-20KHz
Signal-to-noise ratio: ≥85dB
Effective distance: 15 meters
Cabinet material: ABS
Appearance size: 82*53mm
Product weight: 235g
Colour: Black
Power source: lithium battery
Bluetooth version: 5.3
Built-in battery capacity: 300mAh-500mAh (inclusive)
Rated power: W3
Product net weight: 235g
Rated voltage: 5V
Shell technology: ABS
Additional functions: card insertion, lighting, voice prompts, money collection broadcast
Whether there is a built-in battery: Built-in battery
