The external drive is powered by USB without outer power supply. It has features of anti-shock and low noise. It is compatible for Windows 98SE/ME/2000/XP/Win7/Vista/Win10, for MAC OS8.6 or higher version. Item Name: External Optical Drive Material: ABS, Metal Reading Speed: DVD: 8X, CD: 24X Burning Speed: CD: 24X, DVD: No Burning Cache: 2M Voltage: 5V Interface: USB 2.0, Compatible with USB 1.0/1.1 Drive Type: COMBO DVD-ROM Drive 12cm/8cm Compatible: for Windows 98SE/ME/2000/XP/Win7/Vista/Win10, for MAC OS8.6 or Higher Version Features: Fast Reading Speed, Plug and Play, Large Compatibility Size: 16.5cm x 16.5cm x 2.5cm/6.5" x 6.5" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x External Optical Drive 1 x USB Power Cable 1 x USB Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin