Linkind Smart Light Bulbs: 65W, 800Lm, 4Pack, Color-Changing Led Light Bulbs ?[Smart Bulb that Work with Alexa] Directly connect these smart LED light bulbs to your Google Assistant or Amazon Alexa for voice control. You can also use free AiDot APP to control smart led light bulb on/off, dim/brighten, set the color temperature and customize Schedules from anywhere at any time. ? [WiFi Bluetooth Easy Control ] Linkind smart light bulbs provide fast WiFi and Bluetooth connectivity, 2 times faster than others. Control lights locally via the AiDot App without WiFi. (Note: WiFi-Bluetooth Dual Smart Bulb requires both WiFi (2.4GHz) and Bluetooth for initial connection.) ? [Music Sync] Linkind WiFi light bulbs change colors with the music rhythm detected by your phone's microphone. Choose Party, Dynamic, Calm, or Auto Rhythm modes via the AiDot App. Create the perfect atmosphere with your LED bulbs dancing to the music. (Note: Microphone availability required. Download AiDot App, grant microphone permissions.) ?[Preset Scenes Time Schedule] Schedule the Linkind smart bulb to auto-on/off on your routine on the app. Choose the preset scenes to decorate your house according to different festival. ?[Color Changing Smart Light Bulbs] Linkind smart bulb provides 16 millions color, colorful your life.1800K soft white to 6500K cool white as daily lighting. ?[Group Control High Quality] You can create a group to control multiple smart light bulbs from anywhere with a stable 2.4GHz Wi-Fi connection. High quality with lighting industry development and manufacture 20 years, offers your worry-free product quality assurance. ?[Voice Control] Linkind smart light bulbs with your WiFi (2.4Ghz WiFi Only, not support 5.0Ghz),work with Alexa and Google Assistant, turn on/off, change color, dim/brighten, set color temp all by your VOICE COMMAND, no hub required.