Check the listing for details. Philips Hue White Ambiance Filament ST19 Bluetooth LED Smart Bulb. Condition: Open box. Listed at 27.98 USD. Elevate your home lighting with the Philips Hue White Ambiance Filament ST19 Bluetooth LED Smart Bulb. This vintage-style bulb offers the perfect blend of retro charm and modern technology, compatible with both indoor and outdoor settings. With a sleek glass construction and a standard bulb shape, it's designed to fit seamlessly into your existing fixtures. Enjoy a multitude of features including a motion sensor, sound sensor, and dimmable capabilities, all powered by energy-saving LED technology. The bulb's 7W output provides a comfortable, white light with a luminosity of 550 lumens, ensuring a bright yet soft illumination for any room. With an impressive life span of up to 29,999 hours, this smart bulb is both an economical and practical choice for your lighting needs.