Experience the convenience of the world's lightest DVD writer. Lite-On's ES1 is a super slim,super compac,t and ultra-light drive that's easy to carry. It's a handy drive to slip into your bag for whenever you need to install an application from disc,backup some videos,or watch a DVD. The world's lightest drive! Weighing less than 220 grams,the ES1 is the perfect DVD burner to match a small or ultra-light notebook Highly compact Only 13.5mm high and a compact 139mm by 139.5mm it's about the size of a thick CD case, making it very easy to carry AC Adaptor Free Conveniently powered directly by the USB port, there's no need to carry bulky adapters or power cords Modern,stylish design Elegant curves and simple lines with a fingerprint resistant matte surface treatment. Plug and play simplicity Just connect and use with all major operating systems including Windows OS,Linux OS,and MACOS Smart-Burn™ to maximize writing quality Automatically adjusts how each disc is written to ensure the best possible quality every time you burn a disc Smart-X ™ optimized read speed Selects the perfect read speed to give you the best read quality and quickest operation for the task