Colour Changing: Colour Sequence: G R B (not RGB), dimmable COB RGB LED strip has more than 16 colours to change, you can change colours/brightness/mode/speed with RGB remote control or APP control, great for bedroom, kitchen cabinet, living room, bar, gaming desk, bookcase, stair, TV, sofa,ceiling lighting, and it is a wonderful gift for Christmas, birthday, parties, wedding, celebration and more Two Ways Control & Memory Function: RF Remote(come in package) and Bluetooth connection APP(scan QR code on the in-wire controller to download) operation control. With memory function,this USB powered RGB COB led strip restores to its last setup to save your time effectively USB Powered: The working voltage is 5V and can be powered by any USB ports with 5V 2A or above watts, it can be connected to power bank, mobile phone charger, computer, TV, camping, RV etc. (Not included USB power adapter). The total length of power cable is 70CM, long enough for your DIY Ultra Brightness: Compared to the 5050 RGB LED strips, the COB RGB strip adopts COB (Chip on Board) technology, total 1224 LED chips are used on the 1.5m flexible board(816LEDs/M) that creates brighter and super even lighting performance. NO MORE worries about dark spot. Soft light, No mercury, No UV, safe to eyes Widely Used: Suitable for Home decoration/ TV background light/ bed bottom light/ display cabinet lighting. At the same time with the power Bank it can be used in places where illumination is not possible or limited, such as Snack stall, Camping, bicycle/scooter external lighting modification etc.(Non waterproof, please use them indoor or dry weather)