This adaptor is small and compact for easy traveling. It has female US Type A/B and adapts it to male EU Type E/F. This also supports grounded plugs for electrical protection. Supports up to 250volts and 13amps. Note: This is not a voltage converter. Please make sure your device supports 110 to 220 volts. (Connections: Female US Type A/B to Male EU Type E/F)