DAYBETTER Smart Light Bulbs, Bluetooth Light Bulbs with App Control, RGBCW LED Color Changing Bulbs, Dimmable Music Sync, A19 E26 9W 800LM, 2700K-6500K for Home Bedroom (4 Pack, Not Support Alexa)

Quick Connection & App Control: Using the “Tuya Smart” APP can easily control led light bulb, Bluetooth connection is more convenient, have little correlation with the speed of the Internet, and are more stable, allowing smart home lighting to light up your life. (Not Support Google Assistant/Alexa).
Music Sync Mode: Color changing light bulb has a built-in high-sensitivity microphone, which synchronizes the light with the rhythm of any song. The color of the bulb can “dance” with the music, whether it is a romantic date or a crazy party, fully mobilize the sight and hearing, and make the atmosphere feel just right.
Color Palettes & Tunable Whites: Dimmable led light bulbs can bring you from soft warm white to bright daylight (adjustable range 2700 – 6500K), 16 million color changes meet all your color needs for any occasion or room Create ambience, inject vitality, and enrich your life.
Group Control: Colored light bulbs can be controlled individually or create a group for simultaneous control, whether you are in the bedroom, living room, kitchen, easily manage all bulbs within 98ft/30m, dim/brighten, turn on/off, set Schedule and change colors, also save time.
6 Scene Modes & Timer: RGBCW light bulbs has 6 life scene modes, giving you fantastic lighting effects. You can freely create a timer schedule to automatically turn on/off the led bulbs, you can install it outdoors, such as courtyards, gardens, etc., or you can set it to gradually dim when you fall asleep and bright when you wake up, easy to operate.
Tips: This product does not require WIFI configuration, the first time you connect the smart light bulbs, please ignore the prompt displayed when you click “Add Device” in the APP.