Baby Bottle Shaker, Automatic Design Milk Bottle Shaker Low Noise Infant Milk Powder Mixer Effectively Reduce Foam and Reduce Gas Formula Dispensers Mixers LOW NOISE: The portable milk bottle shaker uses ABS safety materials, and the sound during mixing is less than 40dB, which will not wake the baby. AUTOMATIC: The baby bottle mixer is an automatic mixer for infant milk powder and breast milk, which can make the mixing of infant milk powder more uniform, make the milk powder fully soluble in water, and save time and trouble in manual mixing. 3 MIXING MODES: The baby bottle shaker has three mixing modes to meet different needs. Automatic mixing can effectively reduce foam, and reduce gas, indigestion and other problems. Spec: Item Type: Automatic Baby Bottle Shaker Material: ABS Gear: 3rd gear Noise: 40db Battery: Polymer battery 1200mAh (included) Power: 10W Weight: Approx. 411 g / 14.5 oz Applicable Bottle: Diameter within 50 to 75mm / 1.97 to 2.95in How to Use: Short press to turn on, switch gears, long press to turn off. Package List: 1 x Automatic Baby Bottle Shaker 1 x USB Cable 1 x Manual