?Worry-Free After-Sales Service?KeManni provides 180 days after-sales guarantee. If you are not satisfied with the product, you can replace or refund it within 180 days after purchase. After-sales customer service is online 7/24. ?Advanced Technology? The latest intelligent technology allows you to watch DVD movies, install software, play music, and read files, videos, etc. to CD/DVD. The external dvd player is equipped with powerful fault tolerance, shock resistance, noise reduction technology, and low power consumption. ?Wide Compatibility?The usb cd/dvd external drive is compatible with Windows 11 / Windows 10 / Win8.1 / Win8 / Win7 / Win XP, Linux, and MacOS systems. It can be used with computers / laptops / desktops / Macbooks that do not have an internal drive. Note: When connecting a MacBook, the external DVD adapter must be inserted into the CD/DVD before it will be recognized by the computer. ?Plug-and-Play?When you plug the external USB or USB-C port of the CD reader into your computer, it will be recognized automatically. No external drivers or power supply is required. For desktops, connect the product to the USB port on the motherboard for normal use. Note: external CD & DVD drivesu supports reading only, not writing. ?2IN1 USB3.0+Type-C Equipped] This external DVD drive is equipped with USB3.0+Type-C, which enables transferring data at approximately 10 times faster speed than USB2.0. The cable length: 20 cm. The cable can be stored in the bottom of the drive, so there is no need to worry about losing the cable, and the bottom has four non-slip rubber pads for stability.