Ideal for new parents, this electric bottle brush cleaner set meets a variety of cleaning needs at once. Includes bottle brush, mixing head brush, nipple brush and straw brush, which can easily clean bottles and accessories of all shapes and sizes.USB rechargeable design, convenient and quick, no need to change batteries frequently. Silicone bottle brush made of food-grade silicone and ABS, safe and reliable to ensure the hygiene of baby products. Directions 1.It is recommended to charge the electric bottle brush for 1.5 to 2 hours when using it for the first time. 2.Thoroughly clean and dry after each use, then activate the disinfection lamp to disinfect. (Sterilizing lamp emits purple light and automatically goes out after 30 minutes) 3.Silicone brush head is removable for autoclaving. 4.Keep the charging port dry to avoid the risk of electric shock.