The 2nd generation of Philips Hue smart light bulbs have been out for quite a while now, and 3rd-generation bulbs have just recently come out, but you can still buy 1st-generation Hue products at some stores. Here’s what you need to know about the 1st- and 2nd-generation Philips Hue hubs, as well as the newer 3rd-generation bulbs.
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Source: How-To Geek
