High performance, low power consumption Bluetooth microprocessor. Compatible with all SPI led strip lights. With newest APP design, rich functions, fashionable UI deisgn. to add controller in group, as long as controller to controller distance is less than 30m, signal be sync. Each controller can be distributed to different groups, max can be in 10 groups Easy to add contorller in app, and easy to set groups, every people can handle it., Manufacturer: Akfldms