Packaging has been opened Set of 2 Sleepytroll Smart Baby Rockers. These are smart automatic cradle devices that are designed to keep a stroller moving gently, so that a baby can relax and sleep more easily. The Sleepytroll has sound and motion sensors. In sensor mode, the device can react when motion or sound is observed and then start cradling automatically. The intensity of the movement is adjustable. On the picture you can see the version with the light blue top side. According to Sleepytroll this is the Gen 1 version. It has a maximum continuous cradle life of 40 minutes, a battery life of approximately 6,708 hours and a rechargeable battery. Brand: Sleepytroll . Product: Baby Rocket . Type: Smart . Condition: Demomodel