There are a few important things to consider when choosing a handheld vacuum cleaner. First, consider battery life and dust container capacity . This depends on how often you want to use the vacuum cleaner and how much you need to vacuum.
You should also pay attention to the weight, the suction power and the type of attachments included.
Finally, you should pay attention to whether the vacuum cleaner is equipped with state-of-the-art technology such as HEPA (High-Efficiency Particulate Air) filters, which trap smaller particles such as allergens and dust mites so that they are not blown back into the air.