Material: fabric, plastic, and wood Bluetooth version: 4.2; Bluetooth range: 15 meters 5 inch, 4x20W speaker unit with a 1500MAH battery support for wireless microphones and karaoke Weight in gross: 23.2 kg Weight in net: 21.5 kg Product dimensions: 40*14*26 cm The box is 40.3*14.5*27.5 cm in size. Size of carton: 60.5*42*57 cm