Betta, Fish, Underwater, Bubbles 4K iPhone Wallpaper Betta, Fish, Underwater, Bubbles 4K iPhone Wallpaper Background with a maximum resolution of 2160x3840 px. ii289 293.25 KB 2160x3840 Download original File Size: Dimensions: Resolution: 4K ID: 4K Betta Bubbles Fish iPhone UnderWater