Features Button Adjustment --- Button adjustment, long press to open or close, short press to change modes, 4 burst flash modes, a variety of light effects mix and match, cool and colourful. Rhythm Jump --- The dancing light can sense the rhythm jump in the music, switch the light effect, and create an exclusive party atmospheres as you like. Suction Cup --- The bottom is equipped with suction cup, which can be fixed on the glazed surface of any object such as glass and ceramic tiles, can also be worn on the hand, light and convenient, and can move with the music anytime, anywhere. Built in Lithium Battery --- Dancing light with built in lithium battery, which can be charged with the supporting USB data cable, which is convenient and fast. Wide Applications --- Widely used for cars, dance halls, KTV, Party and other occasion, a small wonderful light to add party atmospheres. Specification: Item Type: Mini USB LED Dancing Light Material: ABS Colour: Blue Lamp Type: LED Control Mode: Button, Sound Control Charging Voltage: DC5V/1A Power: ≤3W Light Source: 1R 1G 1B Flashing Range: 8-15㎡ Built in Lithium Battery: 200 mAh (Shipped with built in battery) Package List:1 x Lamp1 x USB Charging Cable 1 x Wristband1 x Suction Cup  Package List 1 x Lamp 1 x USB Charging Cable 1 x Wristband 1 x Suction Cup