浙江天乐音响有限公司

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●3.5mm Jack in
●Output Power: 3W*2 (RMS)
●Frequency Response: 120Hz-18 KHz
●Driver unit: 1.5inch Passive buzzer: 30×50 mm                                                       
●External Lithium battery
●Impedance: 4Ω
●S/N Ratio:≥72dB                               
●Amplifier: “D” class amplifier(AD8403). Bluetooth:ISSC 81
●Voltage:USB DC 5V,li-battery inside
●Product size:255(W)×56(H)×30(D) mm