"An exceptionally cheap scooter whose range and power claims don't survive basic physics."
The '21 MPH & 21 Miles Range' is a best-case fiction achieved in a lab; expect 12-15 MPH and a 10-14 mile range in daily use, with performance dropping as the battery drains.
This scooter is a consideration only for short, flat, 'last-mile' trips on smooth pavement where extreme light weight is critical. It should be viewed as a low-cost, potentially disposable tool for occasional use.
Anyone needing a reliable daily commuter, tackling hills, traveling more than 5 miles one-way, or riding on imperfect roads should avoid this. The short warranty is a major red flag for anyone who can't afford for it to fail.