... SW:2.300~21.950MHzHigh sensitive DSP radio all wave band international radio recept, 500 radio memory permanently , Auto search , manual change, ... songs choose by digital buttonsPress numeric buttons to choose radio channel and radio FruquencyA key lock functionOutput Power:3W, sound profectCharging and ... : Red, Blue, Silver, Grey :Customer Service:Warranty: 1year portable mini speaker with DSP radio