Waterproof subwoofer flashlight

Type: Bluetooth Speaker
Connection method: Bluetooth connection
Interface Type: USB
Battery capacity: 1200
Frequency response range; 100HZ-20KHZ
Signal to noise ratio; ≥75dB
Power supply: Built-in lithium battery
Channel: 2
Extended storage: 16GB
Bluetooth protocol: 4.0
Effective distance: 10 meters
Appearance size: 6.9X21.2X7.9
Color: blue, black, red, purple, green