Mini portable Bluetooth speaker

Connection mode: Bluetooth connection
Interface type: USB
Battery capacity: 1200
Frequency response range: 100HZ-20khz
Output power: 5W
SNR: ≥75dB
Power supply: Built-in lithium battery
Extended storage: 32GB
Bluetooth protocol: 4.1
Box material: silicone
Appearance size: 15.9*4.6* 7.3mm