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At just $10, these don't cost much more than a regular lightbulb. They offer RGB lighting, there's no need to pay for a hub, and offer scheduling options as well. This is a fully featured smart bulb for half - or even a quarter the price of the competition.
Pro Basic setup
Because there's no hub to hook up, the setup process is simple. Just pair the bulbs with your phone, and you can connect up to 32 bulbs. Giving access to family/friends is easy too - as long as you both are on the same Wi-Fi.
Con Unintuitive app
While the app contains everything needed to make the most of the smart bulbs, it places features inside menus where you wouldn't expect to look. For example, one of the sections is called "Lab" where you can find the Colorful, Game, Music, and Night Light settings. The timer button is a different color, is located below the other buttons, and has a square outline. There you can find the expected settings suitable for a timer section.
Con A bit dim
At 600 lumens, these bulbs are 25% dimmer than most other bulbs. This will make illuminating rooms - the primary function of light bulbs - a bit more difficult although not impossible. The bulbs may not be sufficiently bright to simply replace existing bulbs...you may need to add an extra lamp or lighting fixture to provide the same amount of light or deal with a slightly dimmer room.
Con Limited range
Bluetooth has its benefits, although it only has a short range. You need to physically be near the bulbs in order to change their settings, while other Wi-Fi bulbs (or bluetooth bulbs connected to a Wi-Fi hub) let you control your lights from around the world as long as you have an internet connection.