External CD DVD Drive CD Recorder Writer USB 3.0 4 x USB Ports and Slot Optical Disk Drive for Laptop PC dvd drive USB3.0 external for laptop computer DVD connectorFeatures:1. Plug and for play wherever there is USB; Support interface: USB3.0 USB2.02. Ultra-thin and ultra-light, classic appearance design3. Both plug and for play, avoid any complicated installation procedures4. The CD Writer has 4 USB ports You can use USB ports and card reader at the same for time.5. easy to carry, take it to help your install the system6. Circuit optimization design saves energy and low power consumption, no need for external power supplySpecifications:Item: DVD CD Writer ABSSize:approx 14.5x15.5x1.5cm/5.71x6.1x0.59inData interface: USB3.0+TypeCBurning function: support CD/DVD/VCDExpansion interface: USB3.0x2Error correction function: support error correctionInstallable system: WIn7/8/10/11Support system: MacOS Win98 2000 XP WIn7 8 10 11 speed: CD R 24X/ CD 24X /DVD-R 8X / DVD 6X/ DVD 4X/ DVD 9 4XReading speed: CD RO for M 24X/ DVD RO for M 8X DVD-9 6X DVD 4XPackage Includes:1x USB DVD BurnnerNote:Due to the problems of lighting effects and angles, there will be certain tolerances in the product, Thank youThere might be 0-1cm error due to the manual measurment