'哪款无线手持立式吸尘器（stick vacuum）是最轻的？'

The Shark PowerDetect AZ4002 is a corded upright vacuum with DuoClean Detect technology and sensors that adjust performance for different floors; it offers strong suction (572 pascals), a large 1.9 L dustbin, and Lift-Away capability for handheld use. It's best for homes with mixed flooring and pet hair where powerful, automated cleaning is desired.

The Dyson V12 Detect Slim is a lightweight cordless stick vacuum offering 150 AW suction, up to 60 minutes runtime, a removable battery, and a Fluffy Optic cleaner head that illuminates dust on hard floors. It includes multiple tools for crevices and hair removal and suits users who want a powerful but very portable vacuum. The machine weighs 5.22 lb and features whole-machine filtration and an LCD that shows particle counts and remaining run time.

Lightweight multi-surface stick vacuum with swivel steering and a low profile for under-furniture cleaning. Converts between upright, wand (high reach) and handheld modes and includes a large removable dust cup and washable foam filter, suited for quick pickups and small homes.

The Shark Vertex Pro Lightweight is a cordless stick vacuum with DuoClean PowerFins, HyperVelocity suction, removable battery, HEPA filtration, MultiFLEX wand and LED headlights. It's designed for strong hair and debris pickup on carpets and hard floors while being easy to maneuver and store. The removable hand vac and self-cleaning brushroll make it convenient for pet owners and quick cleanups.

The Smoture VAC01 is a lightweight cordless stick vacuum with a 650W brushless motor, up to 55 kPa suction, and a removable battery offering about 60 minutes runtime on low. It includes multiple attachments, a self-standing design, an LED touch screen with auto mode, and a wall-mounted charging dock, making it suitable for whole-home and handheld cleaning tasks.