Feature:1. No need to install drivers, portable DVD writer support plug and play, which also supports higher performance.2. External optical drive enables to be suitable for desktop and laptop computers with USB ports.3. Compatible for XP / 2003 / for 8 / Vista / 7 / 8.1 /10 / for / for OS system.4. Optimized circuit helps optical drive energy saving with low power consumption, no external power supply required.5. Ultra-thin and ultra-light USB DVD writer adopts classic design, and it is easy to carry.Spec:Item Type: Optical driveInterface Type: USB2.0Disc Size: 12cm, 8cmOperating System: For WindowsXP/2003/ for Windows8/ Vista / 7/8.1/10 / for Linux / for OS X 10systemWorking Model:DVD+R=8X (read)DVD-R=8X (read)DVD+Re-Writable=8X (read)DVD-Re-Writable=6X (read )DVD+R9 Dual Layer=6X (double layer 8.5GB disc reading )DVD-R9 Dual Layer=6X (double-layer 8.5GB disc reading )DVD-RAM=5X (100,000 times rewritable disc read and write)Compact Disk-R=24X (read and write)Compact Disk-Re-Writable=24X (read and write)Package List:1 x USB Data Cable1 x Power Supply Wire1 x User Manual1 x Optical Drive Notice:One of the square is a USB data cable, which must be connected. The round interface is the USB power supply cable, which is used when the power supply is insufficient, and it does not matter if it is usually connected.