Ingenious design, connect the notebook SATA optical drive to the computer, and the mobile optical drive function can be easily built into two types: single USB port and dual USB port. Please look at it before purchasing. The SATA end has fixing screws, which can prevent the optical drive from accidentally falling off during use. The product transmission interface adopts a very stable USB2.0 interface and is backward compatible with USB1.0 Supports operation without external power supply Support notebook SATA optical drive, the product is small in size, plug and play, easy to carry Instantly become an economical and convenient notebook optical drive external optical drive Two-color indicator light power - blue, read and write, red (no indicator light for dual USB ports) Product Specifications Transmission interface: USB2.0 Transmission speed: USB2.0: 480Mb/s Application object: Notebook SATA optical drive Hot swap: support Power supply: USB power supply on the host side Material: Plastic