Bag speaker Size:33x24x10cm Material:PVC + lining 100% polyester lithium rechargeable battery power One pocket

Bag Size:33x24x10cm                                                                                               Material:PVC + lining 100% polyester                                                                                              One pocket2 speakers on frontAmplifier box insideOne audio in for MP3/ipod/mobile/etc, two audio out for loudspeakersFlashlightSupport TF cardlithium rechargeable battery power  

2.Technology 

1).2 speakers on front panel Output:  RMS 3W + 3W Driver Unit:  76mm, 8Ω   

2).amplifier box inside With multifunction,can separatly use as mini speaker   Support TF cardWith FM radioWith flashlightWith Lithium battery (Nokia rechargeable battery)Function buttons function:'mode','Pause','Volume-/ Backward','Volume+/ Forward'Color: black,white,pink,blue,orrange 

Technical details : Power supplier: 5V/1000MA   USB/Li-ion battery.Output:  RMS 2WFrequency:   100Hz-20KHzSenstitivity:  ≥80 dbPower input:  USB 5VDriver unit:  40mm, 4ΩLi-ion battery: grade A

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