Features: Automatic Baby Milk Bottle Shaker: 360° rotation, shakes the milk powder evenly, and not easy to produce bubbles. Milk has more delicate taste, and baby is easier to absorb. Free Your Hands to Comfort Baby: With this electric feeding bottle shaker, you can say goodbye to shaking baby bottle by hands, and you will have more time to soothe hungry baby. 3 Levels Timing Setting: One-key control, easy to use, and supports 3 levels of timing setting according to different milk powder( one click--1min, double click--2min, triple click--6min). Built-in Rechargeable Battery: Built-in 1200mAh large capacity lithium battery, which can be recharged via the provided USB charging cable, convenient to use and quick to charge. Other Features: soft silicone ring opening suitable for 53-75mm diameter baby milk bottles; low noise working, will not disturb baby sleeping; compact and lightweight, easy to carry around. Specifications: Color: Pink/ White(optional) Running Time: 1min(blue light)/ 2min(purple light)/ 6min(green light) Power: 4W Battery Capacity: 3.7V 1200mAh Charging: 5V 1A Item Size: 11 x 13cm/ 4.3 x 5.1in Item Weight: 345g/ 12.2oz Note: The feeding bottle showed in the picture is not included. Packing List: 1 x Milk Bottle Shaker 1 x USB Charging Cable