LED 'Corncob' bulbs revisited - group test and review

This is a group test and review of four different LED corn cob bulbs - I reviewed broadly similar products in the past, but these are new. The products all came from BangGood.com - here are links to the product pages on that site: E14 7W LED 36 SMD 5730 Corn Light Lamp Bulbs - available in both 'warm white' and 'white variations (both reviewed in the video): http://www.banggood.com/E14-7W-LED-36-SMD-5730-Corn-Light-Lamp-Bulbs-220V-p-914270.html B22 5.5W 828LM 69SMD 5050 LED Power Energy Saving Corn Light - available in both 'warm white' and 'white variations (both reviewed in the video): http://www.banggood.com/B22-6W-828LM-69SMD-5050-LED-Power-Energy-Saving-Corn-Light-220-240V-p-910948.html BangGood's own channel is at: https://www.youtube.com/user/BanggoodTV