Can the record/playback function be used to record a beep/horn sound? I'm looking for an inexpensive alternative to a start horn for swim meets.

I have not tried recording from this unit. But, I did record sounds and songs on an SD Card and inserted the card into the slot and used that at an event. There are all kinds of sounds you can get off the internet to record to start your races

Why is there a 2 second delay before the speaker works?

Mine has no delay. Trigger activates mic and it is immediate.

Can i broadcast/play music from my phone by connecting via the usb port on the usb port on the megaphone? if so, how? more instructions online?

Yes I used it playing music from the flash drive. Loud and clear.

Mymealivos Bluetooth Megaphone With Siren Bullhorn 50 Watt Bullhorn Speaker

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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149415CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📢 Own the moment, amplify your influence!

POWERFUL 50 W OUTPUT - Command attention with crystal-clear sound that reaches up to 1600 feet—your voice, amplified like never before.
ALL DAY BATTERY LIFE - Up to 30 hours of continuous use with rechargeable battery or optional power sources—keep the energy going strong.
ERGONOMIC PORTABLE - Lightweight design with adjustable shoulder strap and detachable mic for hands-free, on-the-move commanding presence.
VERSATILE AUDIO INPUTS - Connect effortlessly via Bluetooth, TF card, USB, or 3.5mm AUX to amplify your playlist or presentations.
240 SECOND VOICE RECORDING - Record and loop your message on the fly—perfect for seamless announcements or rallying the crowd.

The MyMealivos Bluetooth Megaphone is a professional-grade 50W bullhorn speaker designed for clear, long-distance announcements up to 1600 feet. Featuring a 240-second voice recording, multiple audio input options including Bluetooth and AUX, and a rechargeable battery offering up to 30 hours of use, it’s the ultimate portable sound amplifier for events, promotions, and public safety. Lightweight with ergonomic straps and a detachable microphone, it’s built for seamless, powerful communication anywhere.

Specifications

ASIN	B075RVHRXV
Best Sellers Rank	#427,855 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #100 in Coach & Referee Megaphones
Brand Name	MyMealivos
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (628)
Date First Available	September 19, 2017
Included Components	battery pack
Item Package Dimensions L x W x H	14.5 x 8.8 x 7.8 inches
Manufacturer	MyMealivos
Material	Plastic
Model Name	speaker
Package Weight	1.41 kg
Part Number	PTY1011
Suggested Users	unisex-adult
Warranty Description	2 year

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