3D Hologram fan [560 Highlight LEDs]: The 3D hologram fan 19.3inch adopts 560pcs 16*15mm beads,The resolution is about 640px and 2000cd/m² brightness. The resolution is determined by the number and density of the LED beads. For the same size, the more led beads,the better the image quality. [Simple Content Management]: The 3D Holographic projector support WiFi connection, You can manage various functions through the app, such as open and close,uploading and deleting videos, adjusting playlists and switching videos, adjusting brightness and angle, Timing etc. You can also upload videos from your computer via SD card. Support Android and Apple phone and remote control, very convenient and simple. [Premium Hardware]: use high quality brushless motors and smart chips, multi-core control without lagging (Master control, Bluetooth and WiFi chips), the industry's first chip hard decoding video, compared with the App soft decoding,the video reproduction is higher. Bluetooth 5.0 brings your better sounds. Note: Bluetooth speaker can be connected automatically and don't require a key or return receipt. [3D Hologram Series]: is professional 3D Hologram fan factory for 8 years, We manufacture and sell various sizes like 11.8inch,16.5inch,19.3inch,21.6inch,23.6inch,25.6inch,28.6inch,31.5inch,39.3inch Holograms. choose us you will get long-term professional tech support, replacement of parts,2000+ 3D video library,accessories such as stand,cover and extension cords,video wall project. [New Arriving]: According to the our client's requirements, our acrylic transparent protective covers will arrived at October, suitable for our Holispin X5,X6 and U52 models. In addition, we have also added accessories such as Bracket and 2M extension cords. [Tech Support]: To facilitate our customers' use, we have produced a complete set of tutorial videos, which have now been added to the instruction manual. Our APP and PC software are actually very simple and stable. It's just that many customers are not familiar with using them. We offer 24/7 technical support(holospinsales at 163 dot com)