Feature:1. 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.2. 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. 3 Levels Timing Setting: One-key control, easy to use, and supports 3 levels of timing setting according to different milk powder( green light --1min, blue light --3min, purple light --4min).4. Built-in Rechargeable Battery: Built-in 1800mAh large capacity lithium battery, which can be recharged via the provided USB charging cable, convenient to use and quick to charge.5. Other Features: soft silicone ring opening suitable for 53-72mm diameter baby milk bottles; low noise working, will not disturb baby sleeping; with night light for more convenient use at night.Specification: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( green light --1min, blue light --3min, purple light --4min).Built-in Rechargeable Battery: Built-in 1800mAh 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 53-72mm diameter baby milk bottles; low noise working, will not disturb baby sleeping; with night light for more convenient use at night.Specifications:Running Time: 1min( green light)/ 3min( blue light)/ 4min(purple light)Compatible Milk Bottle Diameter: 53-72mmBattery Capacity: 3.7V 1800mAhCharging: 5VItem Size: 12.1 * 13cm/ 4.8 * 5.1inItem Weight: 457g/ 16.1ozPacking List:1 * Milk Bottle Shaker1 * USB Charging CablePackage List:1 * Milk Bottle Shaker1 * USB Charging Cable