The cordless vacuum cleaner is also perfect for cleaning the cracks on the sofa and chair.It was rather uncomfortable when someone was sitting on the sofa and the crumbs got out of the cracks in the sofa.Most people not only use cordless vacuum cleaners on the vacuum floor, but also use fitness equipment and car interiors in the case of collecting dust and debris, for slight spills and cracks around the dust-absorbing cornersThe hand-held vacuum cleaner is light weight and can be wired or cordless, and you can put most of this machine on the wall if you want.Performance of the battery-With the decrease of battery energy, the products operated will depend on the remaining battery power, as will the vacuum power.Many hand-held vacuum cleaners include straight tools and brushes.If you buy a manual vacuum cleaner, you can't use it as a primary tool, although you can use it on a regular basis or don't use it often in less important work.Upright cordless vacuum is essentially a stick vacuum cleaner with rechargeable battery components nested in an upright unit.The model of this vertical vacuum cleaner allows you to look around for dirt and crumbs with a very flexible carpet cleaning head.After that, you can separate the small extension component to get all these weird places, so basically it's a manual attachmentheld unit.Then, the whole component is put on a basis to re-charged.The cordless vacuum cleaner is not ideal, it has disadvantages: this vacuum cleaner uses the battery to start, and the battery has run time and charging time before a fault occurs and a limited charging cycle.Never put the battery inside the stand and remove it from the stand once the battery is full.This will extend the battery charging cycle time