Audio Input: Supports USB flash drives and TF (MicroSD) cards for direct audio playback.Recording: Features a built-in memory module capable of up to 1000 seconds of voice recording for looped broadcasting.Microphone: Includes a detachable coiled-cord handheld microphone with an integrated volume trigger.Power & Functionality: Operates as a high-output public address (PA) bullhorn suited for crowd control, announcements, and emergency situations.