Color-changing Bluetooth built-in spotlight provides you with a colorful atmosphere with APP control. It has rich colors and 12 modes that can be switched freely, multi-device custom scene, warm white light (2700K, CRI>85, 1000 lumens. White light and color light can be switched freely to meet your unique lighting and scene needs. No registration! No network required! [Bluetooth Mesh Technology] 10W LED RGBW Bluetooth built-in spotlight uses Bluetooth 5.0 chip (Bluetooth Mesh Technology), it does not occupy the router's bandwidth, it is stable and not easy to lose. The technology also enables new multi-lamp control, which can control any number of lamps directly via the operator interface. The lamps can transmit signals to each other, which is stable and not easy to lose. [Multi-device Custom Scene] 10W LED RGBW built-in spotlight uses Bluetooth Mesh technology to realize a custom scene multi-device to create different atmospheres. You can set the color and mode of each lamp individually and save them to your scene, for example: dining room atmosphere; Atmosphere for your party...you can with one click in a scene get your preset multi-device atmosphere. [Color-changing Timing] 10W LED color-changing Bluetooth built-in spotlight uses the latest chip timing, so the 6 different dynamic modes it provides can always keep the color-changing rhythm consistent. When we start multiple lamps in the same dynamic mode at the same time, no lamps will be delayed due to long working hours, resulting in inconsistent rhythm of color changes.