Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Product Purpose: Nano SIM card to Micro SIM card external expansion, easy to quickly change the card, test the card holder or external SIM card heat dissipation and so on
•Supported devices: Only devices where the sim card is placed in the same direction as the connector, which is more common in various cell phones, are supported
•Simple Installation: No driver required, just insert the card into the card holder and the other end into the device
From USA
