Speaker box 1) Small cute mini speaker 2) USB interface and 3.55 DC-5V 3) ... (780mAh) Speaker box/ outdoor speaker box/ USB speaker box/ laptop mini aluminum speaker box The main technical parametersSpeaker interface:DC-5V/USB ... Material:Aluminum alloyN.W90gProduct size55*50*50mmG.W 128gPackage size 81*51*51Colorblue, black, red, green, silverAccessoriesCharging cable, data cable laptop mini aluminum ...