MUV USB. 2-pole - MUV USB. 2-pole - The compact, multi-functional World Adapter MUV USB by SKROSS® can serve as multiple devices, providing exactly what you need. It can be used not only to connect an electric razor, the 2-port USB charger module will charge both a smartphone and a tablet. 2-pole, ungrounded. Meets all international safety standards and standards. Safe for children.