... battery and external battery slot 3.FM,Clock,alarm SU-22 mini speaker with built in amplifier FM,clock,alarm Description ... control can auto searching12.Support Clock and Alarm function13.With LED Screen displayMaterial:WoodenOpt Color:Black,Red and BlueAccessory:Audio in ... *49cmG.W24.5KGS20GP7,539 PCS40GP15,078 PCS40HQ18,310 PCSImage: SU-22 mini speaker with built in amplifier FM,clock,alarm