Voice prompt function: voice prompt for button operation, real-time feedback allows you to confirm whether the button function is triggered correctly. DETACHABLE HANDHELD MIC: This compact director megaphone can hold the microphone up to your mouth and point the megaphone at any direction allowing for use both indoors and out Whether on the athletic field, road or in emergency response situations Choose a high-end product that's built to last 240 Second Recording Loop Playback: Turn on the speaker to record, and loop playback after recording to reduce repetitive shouting. This lightweight loudspeaker is ideal for announcing important messages at New Year’s parties, barbecues, birthday parties, sporting events and other occasions