MODEL: LI-S7803OPERATION PANELCONTROL PANELCongratulations on purchasing the LAX-MAX LI-S7803Please read this Instruction manual prior to using this unit.1. Volume -&+2. MIC3. Power on/off4. SD card slot5.USB port6. PREV channel-7. Play or pause8.AUX in9.Next channel+10.DC 5V in11.Mode&Power-led12.Charging full light1.MINI USB2.3.5mm3.USB2311234 5 6 789101112