Feature: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.Specification:Item Type: Bluetooth SubwooferMaterial: ABSOutput Power: 5W x 2 and 2.5W x 2 (15W)Output Impedance: 20KFrequency Response: 80HZ-20KHZWoofer Impedance: 4Small Memory Card: Support Up To 32G (Not Included)Speaker Built In Battery: Lithium Battery 2500mahRemote Control Built In Battery: CR2025 160mah.Package List:1 xBluetooth Subwoofer1 x Remote Control1 x Charging Cable1 x Sound Cable