What's the 300 - yuan LED bulb in addition to the 27 year service life?

A $50 Smfx smart LED bulb

This Smfx intelligent LED bulb is connected by Bluetooth or Wi-Fi, and supports iOS and Android device control. It can adjust brightness and color, with a total of 16 million colors and 40 thousand hours (27 years) life. If you are going to have a party at home, you can open the dance hall model, in which the light bulb will change with the music. The light bulb will sell for $50 (RMB 310.02 yuan) and are now sold on the official website.

For more information on LED, click on the Chinese LED network or pay attention to the WeChat public account (cnledw2013).