kakbeir s36 rc drone with 4k hd dual camera optical flow positioning wide angle wifi fpv foldable helicopter quadrocopter toys

s36 rc drone with 4k hd dual camera follow me optical flow positioning wide angle wifi fpv foldable helicopter quadrocopter toys features: - the arms are foldable, small in size and easy to carry. - it has high maintenance mode function and flight stability. - with wifi function, it can connect application program and apk system to take ps, take pictures and transmit real-time images through mobile camera. - there are two cameras to choose from. equipped with 1080p/4k wide-angle came...