China's National University of Defence Technology (NUDT) has developed a mosquito-sized drone designed for covert military operations. Details are a little thin on the ground, but its development is likely focusing on surveillance and reconnaissance missions in complex or sensitive environments.

The drone's main unique selling point is its compact size, making it relatively easy to hide or conceal. It has two leaflike wings that are reportedly able to flap just like an insect's wings.

"Here in my hand is a mosquito-like type of robot. Miniature bionic robots like this one are especially suited to information reconnaissance and special missions on the battlefield," Liang Hexiang, a student at NUDT, told CCTV while holding up the drone between his fingers.