If you plug some of these bulbs into a Lutron dimmer, they start buzzing. It's loud enough to only annoy two of them in the bedroom. This goes for every bulb in both packs we bought.
Ceiling lamp Yeelight YLXD013-B, 50 W, number of lamps: 1 pcs., color: white
62 Review
Smart socket Yandex with Alice, black
30 Review
Lamp LED Yeelight Smart LED Bulb 1S, YLDP13YL, E27, 8.5 W, 6500 K
43 Review
Lamp LED Xiaomi Mi Smart LED Bulb Warm White (XMBGDP01YLK), E27, 8 W, 2700 K
26 Review