Your E39 to E26 E39 socket does not work at all. After reading the reviews, you can test your products before you sell them and report the reviews to your source. I will wait to try my replacement before writing a review.
Smart bulb Yandex with Alice, base E27, 8 W, RGB color
76 Review
Royal Canin Gastrointestinal Low Fat Dry diet food for adult dogs with digestive disorders, 12 kg
23 Review
Lamp LED Yeelight Smart LED Bulb 1S, YLDP13YL, E27, 8.5 W, 6500 K
43 Review
Ceiling lamp Yeelight YLXD013-B, 50 W, number of lamps: 1 pcs., color: white
62 Review