PlugBug is made exclusively for all MacBook Power Adapters, including current and previous models. Snap PlugBug onto your MacBook Power Adapter and you now have the first ever device that lets you charge your MacBook + iPad or iPhone simultaneously, from one wall outlet.The beautifully designed, bright red PlugBug packs a powerful 10 watts, providing the fastest charge possible to iPad and iPhone. Knowing iPad requires twice the power of a typical USB charger, the 10 watt PlugBug becomes a must-have Mac accessory. Between flights or before work, you can charge your MacBook + iPad or iPhone with PlugBug and one wall outlet.
Source : twelvesouth