Material: paper tube + fabric *6 colors (flower cloth, imitation leather) + plastic (high-gloss ABS) The Bluetooth 5.0 version has a transmission range of over 15 meters. 5.25-inch, 4x30-watt speaker Integrated 1500MAH high-rate power source You can use a wireless microphone (VHF) with karaoke. Using the coupling function (TWS) Dimensions: 34.5*16*20 cm; mass: 1.59 kg