100% Brand new high quality USB finger optical mouse. Resolution: 1200 dpi for quick and precise movement USB interface, also works for PS/2 (adapter not included). Plug and play, no installation needed 3 buttons with scroll wheel. Digital encoder technology, operate precisely, prevent faulty moveme...

Application Occasions of This Great Noise Attenuator 1.Great for blocking RF-interfere 2.If you have computer interference around your computer, get a set and use them,they work. 3.If you are a ham radio operator and the antenna is in your attic.Put them on USB cables, power cables 4.Fixed LED light...

For some learners a picture is worth a thousand words--and this lavishly illustrated volume proves the rule. The expert advice and lively illustrations combine to offer serious how-to instruction in an entertaining fashion to sea kayakers of all levels. Developed by an ACA-certified instructor over...