Check out this newly unveiled USB power supply switch adapter from Ainex, the ADV-111. Measuring W20mm x D40mm x H12mm, the adapter is equipped with an on/off switch and comes with two connectors: a USB 2.0 standard-A female and a USB 2.0 standard-A male. The ADV-111 will start shipping from June 11th for 380 Yen (about $4). [Ainex]