The Philips Hue White 4-Pack A19 LED Smart Bulb Bluetooth is a high-quality lighting solution that offers a variety of features for a convenient and customizable lighting experience. With a sleek screw connector and dimmable capabilities, these bulbs are easy to install and adjust to your desired brightness level. Made with energy-efficient LED technology, these smart bulbs from Philips Hue are designed to provide bright and reliable lighting while also offering the convenience of smart control through Bluetooth connectivity. Perfect for any home or space in need of efficient and versatile lighting options. Bulbs are about 8 years old, still work fine.