①. CD/DVD player records and plays CDs. It uses USB and Plug & Play technologies and does not require additional programs. ②. Functional portable external device, optical CD / DVD USB. It does not require additional power adapters (2 USB ports are required for connection). ③. Ability to read and boot the system from CD / DVD. ④. Very easy to install - just connect to the computer. ⑤. Fully compatible with USB 2.0 / 1.1 / 1.0. ⑥. Plug & Play - the adapter does not require drivers to operate, installed disk drives are automatically detected by the system. ⑦. Supported operating systems: Windows 98, SE, ME, 2000, XP, Vista, Windows 7, 8, 10 and MAC OS 9.X / 10.X / Linux. ⑧. Including: External COMBO CD / DVD SLIM device USB cable USB power cord ⑨. CE marking is a declaration by the manufacturer of the product that the product meets the requirements of the European Commission directives applicable to it.