Feature: 1. PROJECTION FUNCTION: Astronaut projector star light has a projection function, it can project the beautiful stars on the ceiling and walls, colorful and interesting. 2. MUSIC FUNCTION: Astronaut projector star lamp has a music function, you can project the beautiful stars while playing music to bring out the romantic feeling. 3. BUILT IN BATTERY: Astronaut star projector has a built in 1200mAh battery, no need to charge when using, and you can move freely without the ties of charging cables. 4. USB CHARGING: Astronaut star projection light can be charged via USB, but please note that it is powered by 5V 1A, please do not use a power adapter larger than this to charge it. 5. SLIDE FILM REPLACEABLE: Only four steps are needed to quickly install the projection lamp film, first unscrew the soft cover, then uncover the slide and replace it with a new one, easy to operate without wasting time. Specification: Item Type: Astronaut Projector Star Light Material: ABS Rated Power: 4.1W Battery Capacity: Lithium Battery 1200mAh ( Shipped with Built in Battery) Rated Voltage: 5V Power Connector: USB Type C Cable Rated Current: 1A Product Size: Approx. 110x93x121mm / 4.3x3.7x4.8in Gross Weight: 295g / 10.4oz. Package List: 1 x Astronaut Projector Star Light1 x USB Cable1 x Instruction Manual2 x Accessories Note: All data are measured manually, and there are certain errors in the measurement results.