Longqi patented portable speaker with Power bank, FM radio, LED torch & Alarm 5 in 1 1.multifunctional speaker 2.CE, FCC, ROHS Longqi patented portable speaker with Power bank, FM radio, LED torch & Alarm 5 in 1 Technical parameterFrequency response:20Hz-20 KHzSNR:>=80dBOutput power:3.0WImpedance:4ΩInput:DC5VBattery:3.7V/2200MAHDimension: 140*Φ37mm Selling points1.Speaker, Power bank, FM radio, ...