0.5m USB adapter for connecting USB devices to a tablet. [Compatible with tablets/smartphones: USB microB to USB A (USB device connection)] This [USB A female] to [USB micro-B male] adapter allows you to connect USB devices such as a mouse, keyboard, and USB memory to your tablet PC. - Brand: ELECOM - Type: USB adapter - Connector Type: USB A type - USB micro B type - Length: 0.5m - Application: Connect USB devices to a tablet Thank you for viewing. I opened it once, but I didn't need it, so I haven't used it. Therefore, it's almost new. I bought it new for ¥1080.