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wholesale new design mini speaker card reader cartoon usb speaker+freeshipping Products name:Card mp3 speaker Material:ABS+ electronic components Outer package: blister package Packing quantity:60PCS Product dimensions:The hight is about 8cm Product package:14*5.5*10.7cm Carton size:55.5*29.5*35cm Volume:0.0573m3 Single net weight:0.174/10.44KG GW:12KGS Style/color: PINK SILVERY BLUE Fitting:1 audiu charger,1 USB charger,1,AC transformer Installation and introduction: It can be used as a speaker of computers, mobile phones, mp3 and mp4 or a pendantof key and bag Products name:Card mp3 speaker Material:ABS+ electronic components Outer package: blister package Packing quantity:60PCS Product dimensions:The hight is about 8cm Product package:14*5.5*10.7cm Carton size:55.5*29.5*35cm Volume:0.0573m3 Single net weight:0.174/10.44KG GW:12KGS Style/color: PINK SILVERY BLUE Fitting:1 audiu charger,1 USB charger,1,AC transformer Installation and introduction: It can be used as a speaker of computers, mobile phones, mp3 and mp4 or a pendantof key and bag Make sure turn off sound before charging.Normal capacity charge time is 3hours.Please turn off the power after 3 hours.After charging ,It can use about 2-3 hours Insert SDcard or To connect one end of the audio cable to the audio output port of computer or MP3,and insert the other end to the back of the product.It can be used when turn the swith under foot. To connect one end of the audio cable to the audio output port of computer or MP3,and insert the other end to the back of the product.It can be used when turn the swith under foot Please use this product's attached USB charging cable while charging.USB charging cable can not be used as a audio line. 1,Speaker Power: 2W (W), 4Ω 2,Battery capacity:300mA, 3.7V