Features 1. Jellyfish lamp color changing mood light: Realistic life like jellyfish models swim quietly, create a nice calm, peace, calming nice deep sea atmosphere for home or office. 2. 2. LED light: LED lights in the aquarium base emit multi-colored and make it wonderful. 3. 3. Power supply mode: USB and battery power supply modes, requires 3 AA batteries (not included). Comes with a USB cable, plug and play. 4. 4. Enjoy: The water polo aquarium provides a relaxing underwater world, allowing you to enjoy the fun of floating. 5. 5. Novelty gifts: LED jellyfish lava lamp is best gifts for kids, parents, wife, husband and teenagers. Love the marine life or want to relieve stress. Specification Product size: 10.5*10.5*30cm Product weight: 0.42KG (net weight); 0.52KG (gross weight) Product material: plastic + acrylic Packing: 1PC/color box, 25pcs/carton Color box size: 11.8*11.8*31cm Package List jellyfish lamp*1, USB cable*1 Instructions for use: 1. Use 5V for plug. 2. Pour half of the clean water into the aquarium before use, shake it a few times, and pour it out to clean the aquarium's impurities. 3. Plug in the USB cable and pour clean water again. The surface of the water is about one centimeter away from the mouth of the bottle. Add 3-6 drops of detergent into the water. 4. After smoothing the tentacles of the jellyfish, put it in the water and cover the lid. Just turn on the switch. Note When used for the first time, there will be a lot of bubbles on the surface of the jellyfish, which may cause the jellyfish to not float smoothly. After a period of time, after the bubbles disappear, it will swim normally or you can manually remove the bubbles on the surface of the jellyfish.