When choosing a cordless vacuum cleaner, suction power and battery life are two critical factors for ensuring efficient and uninterrupted cleaning sessions. This vacuum claims a 15 kPa suction capacity, which is strong enough to handle everyday debris, pet hair, and dust particles on various surfaces such as carpets, hardwood, and upholstery. The term "violent fan" featured in the image OCR hints at a high-speed motor or fan system inside the vacuum, which likely contributes to the impressive suction performance. Battery life is another important aspect, and a 30-minute runtime is quite convenient for quick to medium cleaning tasks around the house without needing frequent recharging. This duration fits well for most room sizes and is ideal for users who appreciate easy-to-use, portable cleaning tools. Additionally, lightweight design and ergonomics often play a role in user satisfaction for handheld or cordless vacuums, making them easier to maneuver into tight spots and clean surfaces without fatigue. To maximize the cleaning experience, it's recommended to regularly empty the dustbin and clean the filter to maintain strong suction. Also, look for additional accessories or brush heads that enhance the vacuum's versatility for different cleaning scenarios from floors to furniture. Combining these features results in a convenient, portable, and effective vacuum cleaner ideal for quick cleanup in busy daily life.