<ul data-eligibleForWebStory="false">China unveiled a mosquito-sized spy drone designed for covert military operations, showcased on CCTV-7 military broadcaster.Military analysts suggest that the small size and weight of the drone could limit its effectiveness on the battlefield.Experts acknowledge that the drone could still be useful for surveillance operations, especially for indoor reconnaissance.The drone's performance may be affected by weather conditions and communication limitations due to its miniature size.