The vacuum cleaners are designed to collect dust and dirt from the floor and the surfaces. They are also designed to remove pet hair and dander. Different types of vacuum cleaners are available in the market, so make sure you choose the one that suits your needs. So, these are some of the most common features of a cordless vacuum cleaner. These features will help you to choose the right vacuum cleaner for you. So, if you want to buy a cordless vacuum cleaner, choose the one that fits your needs.