The best value for money cordless bathroom scrubber
Corvan P6 Scrubber

Cordless and Tangle-Free. Remove stains effortlessly. Submerge in water up to 1m consistently for 30 minutes. Easy or one step to remove and install various cleaning tools for multi-surface cleaning. Adjustable Length. Anti-Slip Handle. 60 degree Tilting Angle for better control.