This UAV loudspeaker supports real-time air-to-ground shouting, real-time recording and playback with unlimited recording time, and can play warning sounds and sirens. It supports TF cards up to 32GB. The standard version features 5km audio transmission, 1200g sky-end weight, 220*250*110mm speaker dimensions, and 120W power. It delivers 80-85 dB at 100m (max 150 dB) with 550m sound transmission, and operates on 12V-26V (3S-6S batteries) for reliable aerial broadcasting.