3D Hologram Fan 678 LED APP WiFi Bluetooth Remote Control 22 Inch Holographic Projector Fan for Android for WinItem Type: 3D Hologram FanMaterial: ABS, ElectronicsDisplay Diameter: Approx. 560 x 560mm 22 x 22inResolution: 2000 x 1356Lamp Beads Quantity: 678Rated Power: 48WMemory Card Storage: 16G (Built in)BT Sound: SupportVideo, Image Format: MP4, AVI, JPG, PNGSoftware Support System: Mobile APP, ComputerWireless Screen Casting: SupportBrightness Adjustment: SupportAngle Adjustment: SupportMultiple Splicing: SupportTiming Playback: Not SupportProduct Features: BT Sound, Multiple Splicing, Wireless Screen Casting, High Definition Display, APP Customizable Content, Customizable Startup, Synchronization of Multiple UnitsBattery Type: Remote Control Built in CR2025 145mAh Button Battery (Included)