Connection method: Bluetooth connection
Frequency response range 20Hz-20KHz
Signal to noise ratio ≥ 75dB
Number of speakers 4
Effective distance of 10m
Box material plastic
Appearance size 680 * 68 * 68
Secure payment
Secure Privacy
Refund in case of loss of the parcel
Refund for non-delivery
Refund if the item is damaged