New in a box. Size 11 Little KidAbout this ItemSwith Instruction: Hidden light up switch button, Press it to switch on. With each press, It changes to another light mode. Press the switch for 11 times or press 5s to turn the light off.7 Static Colors 4 Dynamic Modes: Red,Green,Blue,Yellow,Turquoise,Purple and White.Easy USB Recharge: Pluging the USB cable into power banks or USB charger. The sole flashes red to indicate charging.Note: Please do not use it as running and all other strong sports. It's only suitable for casual walking, dance, gym and everyday use. Or else it will make damage to the light system.