Seiwa Electric RTL8192U Wireless USB Adapter


 * Product page (JP)

"Wireless USB Adapter", "Complies with 802.11n 1T2R" is printed on the label.
 * OUI: 00:E0:C0 (SEIWA ELECTRIC MFG. CO., LTD.)

Images

 * note: there's nothing under the sticker.