Feature: 1. Support reading and recording, easy to operate. 2. Slim and lightweight design, convenient to carry. 3. Adopt SMART-X intelligent monitoring technology to adjust read/record speed automatically, improving working efficiency. 4. Intelligent noise reduction design, it automatically reduces power after stable reading, energy saving and low noise. 5. Only one USB data cable can complete data transmission and stable power supply, no external power supply required. Specification: Features: Support reading and recording, easy to operate. Slim and lightweight design, convenient to carry. Adopt SMART-X intelligent monitoring technology to adjust read/record speed automatically, improving working efficiency. Intelligent noise reduction design, it automatically reduces power after stable reading, energy saving and low noise. Only one USB data cable can complete data transmission and stable power supply, no external power supply required. As long as the USB interface is connected to the device, the system can automatically identify the CD driver, no driver installation. Specification: Brand: Lenovo Model: GP70N Read speed: DVD-R(DL): 8X, CD-R: 24X, DVD+R(DL): 8X, DVD-RW: 8X, DVD-ROM(Single): 8X, DVD+R: 8X, DVD-ROM(Dual): 8X, DVD-R: 8X, CD-RW: 24X, DVD Video Playback: 4X, VCD Playback: 10X, CD-ROM: 24X, Audio CD Playback: 10X, DVD+R(M-DISC): 8X Write speed: DVD-R: 8X, CD-R: 24X, DVD+RW: 8X, CD-RW: 24X, DVD-RW: 6X, DVD+R(M-DISC): 4X, DVD+R: 8X, DVD-R(DL): 6X, DVD+R(DL): 6X Interface type: USB2.0 Cache: 0.7M Supported system: Windows XP, Win7, Win8, Win10, Vista, Linux, Mac OS Item size: 14.4 * 13.8 * 1.3cm /5.67 * 5.43 * 0.51in Item weight: Approx. 184g /6.49oz Packing list: 1 * DVD recorder 1 * Data cable 1 * User manual Package List: 1 * DVD recorder 1 * Data cable 1 * User manual