Specifications： Charger parameters: AC: 100-240V, 50-60Hz, 200mA, DC: 5V, 1A Battery parameters: 3.7V, 2200ma high capacity rechargeable lithium battery Charging time: about 4-5 hours Working hours: 8-12 hours Color: 16 color gradient or fixed in a certain color + 4 color change modes through remote control (key) Remote control function： Infrared remote control angle: 360 Infrared remote control distance: 5-10m On key: the default color gradient conversion mode is red green blue orange white pink purple Play / pause key: color to your favorite color can be pressed pause Brightness adjustment + / - key: there are 4 levels of brightness adjustment Color fast slow conversion key: can customize color conversion speed Custom color key: press this key once to define a color, which is red green.