?Massive Battery Capacity?Featuring A 4000Mah Long-Lasting Battery, The Spin Scrubber For Cleaning Can Operate For Up To 210 Minutes On A Single Charge, With A Charging Time Of Just 2.5 Hours. The Spinning Cleaning Brush Is Built-In Digital Display Screen Provides Clear Visibility Of The Remaining Power And Allows You To Adjust The Spinning Speed As Needed, Ensuring Uninterrupted Cleaning Performance | | ?5 Interchangeable Brush Heads With Upgraded Density?This Electric Handheld Scrubber Includes 5 Interchangeable Cleaning Brush Heads, Each Tailored For Different Cleaning Tasks. Featuring A Stable Structure, Both The Brush Heads And The Device Itself Can Be Easily Maneuvered. With An Upgraded Brush Design Boasting Stronger Bristle Density, These Brushes Effectively Tackle Stubborn Stains And Grime, Ensuring A Thorough Clean In Even The Toughest Areas | | ?Power Spin Scrubber?The Electric Spin Scrubber Is Designed With Two Adjustable Spin Speeds: High Speed, Ranging From 420 To .