<p>Model Name: Intelligent Back Machine<br/>Product size 28.8*14.3mm/11.34*5.63 inch<br/>Battery capacity: 2600 mAh<br/>Rated voltage: 7.4v<br/>Charging time: 3.5 hours<br/>Gear: 3-speed adjustment<br/>Waterproof rating IPX7<br/>Applicable people: women with delicate skin and the need for a beautiful back<br/><br/>Description<br/>Ergonomic design: Adjustable up and down, easy to use no matter how tall or short you are, ensuring that every corner of your back is effectively cleaned.<br/>Long-lasting battery life: Equipped with a high-capacity 5200 mAh battery, it can support long-time use after a single charge, reducing the trouble of frequent charging.<br/>Multi-Speed Adjustment Function: 2 speed adjustments to meet the needs of different skin types, from gentle to powerful, users can choose the most suitable cleaning mode according to personal preference.<br/>PREMIUM WATERPROOF PERFORMANCE: IPX7 waterproof design makes this back shower brush not only safe to use in the shower, but also can be rinsed directly with water, convenient, hygienic and easy to maintain.<br/>EASY INSTALLATION: Made of strong environmentally friendly waterproof adhesive, no need to drill holes, easy to install with one button, one-button operation for start/stop function when in use, simple and smart.<br/><br/>Product List<br/>Bath machine*1<br/>Brush head*4<br/>Backplate*1<br/>Data cable*1<br/></p>