Powdered Formula Mixer (HL-0609) Product features: Perfect for blending powdered baby formula right inside your baby bottle----no more lumps! This convenient hand held mixer is easy to use and clean-up is a breeze .Can be used with disposabled bottles. Two “ AA” alkaline batteries required. Before using : Wipe the handle and wand with a clean damp cloth . Slide the on/off switch to expeose the battery compartment , insert two “AA” alkaline batteries as indicated and replace cover. Mixing : Pour the pre-measured amount of water into baby bottle and powdered formula . Press the on/off switch to start blending . Don’t touch the wand while the unit is turning . Don’t lift the FORMULA MIXER out of the liquid until the blending wand has stopped turning . Clean Up : Remove blending wand by gently pulling the wand out of the handle .Rinder the wand under hot water ,wipe with a clean cloth and air dry .Don’t immerse in water or place the unit in a dishwasher .