Product Features:Compact size, Matte black finish;High quality sound, with clear bass resonance ;MP3 function(Plays music from SD card) ;Integrated 3.5mm audio lead ;Technical Details ;Rating power: 1.7W×2 (2.8W×2 Input DC5V);Frequency response: 230HZ-18KHZ ;lithium battery Voltage 4.2V ;Loudspeaker output: <3.5W ;Rating power: 1.7W×
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