The multi-color LED hourglass Bluetooth music box is made of good quality high borosilicate glass and wooden base. It has six colors to choose, you can choose one of them; close your finger to the bottom button to control power and change the light color, create a warm atmosphere during bedtime. Put the hourglass on the base and it will glow. The hourglass lasts for 15 minutes. As the sand piles up, the light is gradually submerged by the sand. After 15 minutes, the sand gradually flows, allowing you to enter the dream peacefully and create a good sleep. It can be used as a home decoration for bedrooms, living rooms, offices, etc.