This small adapter allows you to play on any micro sd USB port without having to get out the "heavy artillery" no bulky player or cable box dangling! Micro-sd is inserted and that is parto for reading the information. Transformed in seconds into the micro-sd "USB key variable capacity" and allow sharing with all devices that support a micro-sd: tablet, ultraportable computer, smartphone, digital voice recorders, ... A must have in its "arsenal" GEEK!