Swalle Remote Control Toy App-Controlled Bluetooth Robotic Ball for IOS Android With robotic ball, you will get more fun with your friends and your family for life With its waterproof materials, the swalle robotic ball could move in the water with the control of the smart phone You are free to explore more APPs with SDK system to satisfy your interest of the ball games Use smart mobile ,you can change the product color depend on user's choice.You can also set the speed and turnning degree and also brightness of the produc You can use the smart mobile with our robotic ball to play piano, self-motion ball game and golf ball game