I am using these great products to extend Can Lights multi-element LED bulbs in our living room and basement. The 4.5" long seems to be the best for connecting to multi-element LED lights. I've never had a problem with these flexible extensions.
Smart socket Yandex with Alice, black
30 Review
Lamp LED Xiaomi Mi Smart LED Bulb Warm White (XMBGDP01YLK), E27, 8 W, 2700 K
26 Review
Lamp LED Yeelight Smart LED Bulb W3 (YLDP005), E27, A60, 8 W, 6500 K
47 Review
Lamp LED Xiaomi Mi Smart LED Bulb Essential (MJDPL01YL), E27, 9 W, 6500 K
113 Review