Ingenious design allows you to connect your notebook SATA optical drive to your computer, easily creating a mobile optical drive. Available in single and dual USB port versions. Please check before purchasing. The SATA end features fixing screws to prevent the optical drive from accidentally falling off during use. The product's transfer interface uses a highly stable USB2.0 interface and is backward compatible with USB1.0. Supports operation without an external power supply. Supports notebook SATA optical drives. The product is small, plug and play, and easy to carry. Instantly transforms into 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 Transfer Interface: USB2.0 Transfer Rate: USB2.0: 480Mb/s Application Object: Notebook SATA optical drive Hot Swap: Supported Power Supply: USB power supply on the host side Material: Plastic