Features 1.4 LARGE DIAMETER SPEAKER: Four large diameter full range strong magnetic speakers, treble bright, alto accurate, bass sinking, presenting a surging bass shocking powerful sound quality. 2.360 DEGREE STEREO SURROUND: Bluetooth wireless speaker support 360 degree stereo surround, HIFI HD sound quality is like being in the singer singing live, home leisure, quietly enjoy the good time. 3.BLUETOOTH 5.0: Wireless subwoofer using Bluetooth 5.0, stable signal transmission faster, strong anti interference, widely compatible with cell phones, for Android, for iOS. Clear FM radio. 4.WIDELY COMPATIBLE: Bluetooth speaker support connection computer widely compatible, only need bluetooth devices can be connected, 3.5mm sound cable can be connected to play. 5.EASY TO CARRY: Wireless bluetooth subwoofer with humanized handheld design, small body such as the size of a bag, carry with you, just like walking mobile KTV. specificationItem Type: Bluetooth Subwoofer Material: ABS Output Power: 5W x 2 and 2.5W x 2 (15W) Output Impedance: 20K Frequency Response: 80HZ-20KHZ Woofer Impedance: 4 Small Memory Card: Support Up To 32G (Not Included) Speaker Built In Battery: Lithium Battery 2500mah Remote Control Built In Battery: CR2025 160mah PackageList1 x BluetoothSubwoofer 1 x Remote Control 1 x Charging Cable 1 x Sound Cable