1. High-definition projection area of 40 square , adjustable length, clear . 2. in the projection pattern market, is 3. Hide the , long-term use will not hurt the eyes 4. The angle of 180 can be adjusted at will, which is convenient to use. 5. Timing function, sleep with peace of mind, automatic shutdown. 6. The brightness can be adjusted, and the brightness can be adjusted in three gears. 7. Night light function, buckle the lampshade and it is a night light. 8. Bluetooth speaker function, music can have 9. Richer scenes (6 film pictures are the latest version) Product Name: Planetarium Projector Star Galaxy Projector Power supply mode: USB power supply (without adapter, customers can use 5V2A adapter) Product power: 3W Lighting Type: Lamp head type: 1 spotlight head (lens main light) 1 astigmatism head (auxiliary light) Lamp bead type: high-brightness LED lamp bead length: adjustable length, up to 3 Projection area: 40 square (HD projection) Projection angle: 180 (auto-rotate) Timing time: 1 hour color:White Material:ABS+Electronic components Package Contents: 1 x 1 x English Manual 1 x USB Cable 7 x Film 1 x Remote Control (Black or white random color, cannot specified color) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.