... , easy to use;2.It can be connected with notebook/laptop, desktop PC, mobile phone, MP3/MP4 player through USB ... inch(52mm),full range,neodymium driver,Magnetically ShieldedImpedance: 4ohmNew usb computer speaker with high quality, give you wonderful to the eye ... mice, card reader, USB key, mouse pad, optical mouse etc. computer peripherals, desk clock, LED lamp, party supplies, bluetooth product, ...