Portable mini bluetooth speaker

Type: Bluetooth speaker
Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 850 mAh
Frequency response range: 75Hz-18.5KHz
Output power: 5W
Signal to noise ratio: ≥80dB
Power supply: built-in lithium battery
Channel: 1
Playing time: 4 hours
Bluetooth protocol: 4.2 Number of speakers 1
Effective distance: 15 meters
Function: Waterproof, dustproof, anti-fall, call function
Mode of operation: Button
Applicable people: General
Play format: MP3, WMA, WAV, FLC, APE
Shell material: plastic
Whether to support APP: No
Speaker adjustment method:
Is there a radio function: No
Cabinet material: ABS