The voltage in Bolivia varies, so this is a really good question. In La Paz most of the electricity is 110V. However, there are areas where it is 220V. In the rest of Bolivia the voltage is 220V. Keep in mind that 220V items use a different type of plug too - usually with two round prongs instead of flat ones. In the U.S. our 110V plugs have one wide prong and one thinner prong. Here the outlets are usually equipped for two equal-sized prongs (although this varies from building to building and from house to house depending on the year of construction)
If you absolutely must travel with an iron, curling iron, hair dryer, shaver, or similar items, or if this just all seems very confusing, or if you plan to travel various regions of the country I suggest getting yourself a good set of global variable adapter plugs and voltage adapter like this one: Power Line 0900-27 Global Power Travel Kit. Using battery operated curling irons, shavers, etc. kind of defeats the purpose - since you have to charge them. Bella.
. Using battery operated curling irons, shavers, etc. kind of defeats the purpose - since you have to charge them.