Cleaning becomes less of chore with A9K-EVOLVE Stick Vacuum. With the addition of a mechanism in the dustbin that compresses dust and debris to fit up to 2.4 times more dust and hair(1) to give you more cleaning time in-between trips to the bin. Powerful suction with the Smart Inverter(t) Motor and Axial Turbo Cyclone helps deliver powerful long lasting suction. An upgraded five-step filtration system that includes a HEPA filter to capture fine dust and dirt and a washable filter aids in keeping this LG stick vacuum running hygienically and efficiently. Now with WiFi connectivity you can link your A9 Kompressor to the LG ThinQ app to easily check your cleaning history and simply diagnose issues all from your smartphone(3). Up to 120 minutes run time with the Dual PowerPack(2). Disclaimers: (1) Up to 2.4 times more hair and dust compared to the uncompressed capacity. Results may vary depending on operating environment. (2) Up to 120 minutes run time when using 2 batteries in starting 'normal' mode without Power Drive Nozzle. Battery life may vary depending on the operating environment and settings. (3) Compatible mobile phone required (Android 4.1.2(JellyBean) or later or Apple iOS 9 or later). Mobile and Home Wi-Fi Data connection required.