Switzerland based SKROSS® is the leading manufacturer of premium travel adapters and innovative charging solutions for users of mobile devices around the world. World Travel Adapter MUV Micro is the most compact travel adapter for connecting devices anywhere in the world. Measuring only 2" × 2", this is the most compact 2-pole adapter for travelers from and in over 150 countries. Input voltage: 100 V - 250 V. Max load: 2.5 A. Charge notebooks and smartphones, like iPhone, Blackberry and Android based phones, and other devices worldwide.