1. The Northern Lights Aurora projection lamp adopts a rounded U-shaped design, which looks more refined. and avant-garde. The central movement design allows you to adjust the projection direction and provide stable support. 2. 7 projection effects simulating aurora. You can set your favorite projection effect or play it in a loop. The brightness and movement speed of the projection effect can be adjusted by remote control. 3. Add a moon projection pattern to make the projection effect more realistic and beautiful. 4. A new green star mode has been added. Green stars can activate breathing, flashing and beating modes to make them more real. PS: LED projection effect, the moon and stars can be turned on and off individually, and you can freely set the projection effect you like. Built-in Bluetooth music player 1. Bluetooth mode, you can connect to your mobile phone via Bluetooth to listen to music, the Bluetooth name is HN-108 2. Rhythm mode, the lights will flash in rhythm with the