This is a Yottamaster USB 3.0 SATA hard drive adapter. It allows you to connect 2.5-inch/3.5-inch SATA SSDs and HDDs to a USB port for data reading and writing. It supports USB 3.0 (5Gbps) high-speed data transfer and UASP mode for efficient use. Includes a 12V/2A power adapter, supporting 3.5-inch HDDs. Compatible with a wide range of devices such as smart TVs, laptops, desktop PCs, Xbox, PS3/4/5, etc. Supported OS: Windows / Mac OS / Linux. ・The instruction manual is not in Japanese. Set Contents ・SATA-USB3.0 adapter body ・Power adapter ・USB cable