BlankUSB Devices on the Japanese Market. Toothbrushes: http://www.watch.impress.co.jp/akiba/hotline/20030222/etc_habrashi.html Warm Blanket: http://www.mib.co.jp/products/ohizamoto.html Coffee Cup Warmer: http://www.dct-net.co.jp/special/usb_hot.html