Functions: 1. Phone-controlled and movement function The smart phone can control the speed and direction of the Smart Ball within 35 meters through Bluetooth. 2. Games You can use the smart mobile with our Smart Ball to play piano, self-motion ball game and golf ball game. 3. Music play and movement function Smart Ball will move around and shining different colors according to music playing on the smart mobile. 4. Sleep Aid light Sleep Aid light is a product which effectively help improve the quality of user's sleep. 5. Setting function Use smart mobile ,you can change the product color depend on user's choice. Currently there are 7 colors for option choice.You can also set the speed and turnning degree and also brightness of the product. Package 1. 1 pc per Gift box 2. G.W:420g/box 3. Box size:11*11*16MM