... 52mm),full range,neodymium driver,Magnetically ShieldedImpedance: 4ohmNew usb computer speaker with high quality, give you wonderful to ... speaker usb mini speaker usb mini speakerOur factory profileJumon Electronic Co. Ltd. is a manufacturer of consumer electronics & gifts ... card reader, USB key, mouse pad, optical mouse etc. computer peripherals, desk clock, LED lamp, party supplies, bluetooth product ...