3D holographic projection technology: Holographic 3D projection technology, also known as virtual imaging technology, is a technology that uses the principles of interference and diffraction to record and reproduce the true three-dimensional image of an object. Holographic projection technology can produce three-dimensional aerial illusions to complete the performance together, producing a stunning performance effect. Received this Smartphone 3D Hologram Projector Assembly required. Clear display effect: This holographic display stand projector is made of special ABS material with high-definition crystal screen, which works best in dark rooms and bright screens to create a clear 360-degree image Special projector: 3.5-6 inch cell phone holographic projector, which is a popular holographic pyramid projector. Simply open the hologram and place the phone on the stand, and a 3D hologram will appear. Four planes project the image of four angles of the object, 360 degrees display image information Widely applicable: the cell phone projector is suitable for all smart phones, applicable range product exhibition, product display, advertising, 3D holographic giveaway, conference, stage show, interactive, bar entertainment, place interactive projection, etc 100% Satisfaction Guarantee: this 3D holographic pyramid display projector has perfect after-sales service, if you have any questions or dissatisfaction with the product, please feel free to contact us and we will provide you with the best solution. Your satisfaction is our main concern!