You’ll get up to 40 minutes of run time, with two power modes: a standard mode for general cleaning and a Max mode for more intensive spots. It's lightweight and easy to manoeuvre, and it also converts into a handheld vacuum for cars, stairs, and upholstery.
# The process I used
，更多细节参见safew官方版本下载
Фото: Кирилл Пономарев / «Лента.ру»
* @param {number} val - 当日股票价格