Thank you for viewing. NTT Communications Contact USB Type IC Card Reader/Writer ACR39-NTTCom Brand new, unused item. [Product Details] Compatible cards: ISO 7816-3 compliant contact IC cards *My Number Card (Individual Number Card) and Resident Basic Ledger Cards with IC chips, tax accountant cards Size/Weight: 72.2mm (depth) x 69.0mm (width) x 14.0mm (height) / Weight: approx. 57g Interface: USB 2.0 Full Speed (12Mbps) *Works with USB 1.1 and USB 3.0. Power: USB bus power *For use with a USB hub, please use a self-powered (with power adapter) USB hub. Supported OS: Windows Vista/7/8/8.1/10 *Supports 32bit and 64bit versions of each OS / MacOS X v10.10/v10.11/macOS 10.12 Although the item has been opened once, it is unused. A part of the instruction manual was caught and torn when putting it back in the box (Photo 3).