Does Wulong Oolong tea have caffeine?

Yes, Wulong Oolong tea does have caffeine. The amount of caffeine in Wulong Oolong tea can vary depending on the specific type of tea and how it is brewed, but it is generally considered to be a relatively high-caffeine tea. Wulong Oolong tea typically contains around 40-60 mg of caffeine per cup, which is slightly lower than the amount found in black tea but significantly higher than the amount found in green tea.