1---Rechargeble: The Disco Watch comes with a USB cable, which gives you four hours of battery life after half an hour of charging. 2---5 Modes: Press the button to switch between 5 modes, including voice control, gradual change, jump, pulse change and flashing. There are red, green and blue lights. 3---Bracelet or suction cup: you can either wear the small disco light as a bracelet or attach the night light with the suction cup on smooth glass or flat surfaces in your car, bedroom, etc. 4---Portable: this night light is small and lightweight, and can be carried in a bag or bag at any time, especially when travelling and camping. 5---Voice control: the lighting changes with the beat. This disco light can be used for parties, karaoke rooms, concerts and dance performances. When you wear the night light directly on your hand, you will enjoy the visual feast of light. Function features: Strap: 30cm (elastic) Model change control. Voice control. Step-by-step change. Jump change. Pulse change. Burst flash. Turn on/off by pressing the model button for 3 seconds. Memory function: when turned on, it will enter light mode when it was last turned off.