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> 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> Product List<br> Bath machine*1<br> Brush head*4<br> Backplate*1<br> Data cable*1