It usually takes 4-7 days to learn technology, and I learn it quickly. The varieties are: original milk tea, bubble tea, red bean milk tea, Cao Xian milk tea, coconut milk tea, bubble tea milk tea, pudding milk tea, Boba milk tea, Moxiang milk tea, Yuansanpin milk tea, signature Cao Xian milk tea, coconut milk tea, Maixiang milk tea, taro milk tea, strawberry milk tea, apple milk tea, mango milk tea, vanilla milk tea, papaya milk tea, peach milk tea, taro milk tea, and litchi milk tea.