Going In Style Cuba Travel Adapter Nongrounded Plug Kit A and B Non-grounded adapter plugs allow electrical connections up to 240 volts An adapter plug does NOT change the current or voltage (this requires a converter) unless your appliance is dual voltage This adapter may NOT be used with appliances that have grounded plugs; for these you will need a grounded adapter. Charge your smart phone and tablet while staying in Cuba Cuba nongrounded adapter set includes two nongrounded adapters to adapt your appliances to fit into Cuba wall outlets