MAD Description: 1. Turn Your Smartphone Into a Miniature Hologram Projector. 2. Simply attach the pyramid to your phone using the provided suction cup and youre ready to start playing a pseudo-hologram with your smartphone! 3. With tons of videos available on youtube, this is a fascinating way to get a glimpse into the future. 4. Made of durable PET plastic with a holographic film, this Hologram Projector works best in a darkened room and bright screen to create crisp and 360 degree images. Product Parameters: 1. Compatible with all brands of smartphones. 2. Tons of compatible videos available on Youtube. 3. Flat-folding design simple and easy to use. 4. Made of PET plastics for durability. 5. Holographic film applied to PET for higher image quality. 6. Size: about 7 * 7 * 4 cm / 2.76 * 2.76 * 1.57 inch Packing List: 1 * 3D Hologram Pyramid Projection