Bluetooth Wireless Speaker Subwoofer High Volume $ 17.96 Product information: Function: Voice prompt Type: Bluetooth speaker Connection method: Bluetooth connection Frequency response range: 100HZ-20KHZ Output power: 4W Signal to noise ratio: 75dB Power supply mode: built-in lithium battery Shell material: metal Appearance size: 114.32.45mm Color: black wood grain color, yellow wood grain color Power supply mode: USB Packing list: Wireless speaker X1
