USB 2.0 External Slim CD-ROM Drive for Acer Aspire Note: 100% brand new Enclosure (accessory inside is refurbish cd drive.) No external power adapter required,so you can read CD-ROM, CD-R and CD-RW media in a completely mobile environment USB connectivity also offers easy installation to desktop and notebook computers,USB Portable CD-ROM Drive is built to travel easily Win 98SE/ME/2000/XP/Vista compatible,Size: 160 x 137 x 17.5mm,USB cable : about 60cm long,USB power cable: about 60cm long Compatible model:Acer Aspire One 8.9" (all) mini laptops and Acer Aspire One AO751h AOA110 AOA150 AOD150 AOD250 seires Netbooks