Boom Box with Bluetooth, USB, SD Input and FM Function

Signal-to-noise: ≥60dBBass unit: 5.5 inches x 1Medium frequency:  3 inches x 2Impedance: 4Ω+4ΩFrequency response: 40Hz-18kHzRMS power: 41WInput voltage: AC220V (±10%) 50HzAccessories: AV line with 3.5mm pin & remote controlSupport USB, SD input, FM function, line-inWith Bluetooth & rec & mic inputWith "menu" buttonLow power consumptionClear crystal sound & product is made up to all the needsAvailable in different color: red, blue, green