Function type: 2.0 vertical sound bodyOutput power: 20W + 20WPower requirements: 12VImpedance: 4-16 ohmBluetooth distance: about 10 meters (barrier-free)Bluetooth protocol: 5.0Product net weight: 0. 25KGProduct size: 125 (length) *75 (width) *40 (height)mmAudio input: RCA stereo audio, SD card, U disk, USB audio input(Can connect to computer/mobile phone/0TG/tablet 0TG)