Professional new angel mini speaker box with fm radio 1.With fm radio,usb,sd card 2.For mp3,phone,pc 3.LED ... screen 4.Portable Professional new angel mini speaker box with fm radio Frequency response 150HZ-20KHZOutput(RMS) 3W*2SNR95dBTHD10(%) Impedance 4(Ω) ... factory,specializing in digital mini speaker,portable mini speaker,usb/fm radio/card reader speaker,mini speaker for mobile phone/computer/mp3 ...