Mini Bluetooth Speaker Customization

Type: Bluetooth speaker
Connection mode: Bluetooth connection
Interface type: USB
Frequency response range: 50Hz-20KHz
Output power: 4W
Signal to noise ratio: ≥75dB
Power supply mode: built-in lithium battery
Track: 2
Play duration: 8 hours
Extended Storage: Not Supported
Bluetooth protocol: A2DP1.2
Number of speakers: 1
Effective distance: 10m
Functions: fall prevention, call function, dust prevention, voice prompt, card insertion, radio