Product name: Bluetooth 5.0 stereo 2x20W high and low bass with remote control U disk AUX power amplifier boardPower requirements: DC12-18VCurrent: 3A or moreOutput power: 2x20WOutput impedance: 4-8 ohmsBluetooth version: JL-AC6925A-5.0Input method: Bluetooth+AUX+USBChannel: 2.0 stereoColor: green + blackmaterial: plasticPackage Contents:6 x Power Audio BoardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.