• Hand Mike Handheld Lithium 619U Megaphone
• MP3 Play/ Speaker/siren(or music)/record Built-in mic
• USB socket to play MP3, built-in MIC
• 120 seconds big-capacity recording
• Volume control, recycle play MP3.LED indicator
• 18650 rechargeable battery 1800mA included in the body,
• 1800mA battery support speaks 10hours/MP3 play 5hours/siren 2hours.
• attach rechargeable battery &recharger
• extra-recharger base for 18650 is for optional
• SD socket is for optional,extra-mic is for optional
• Made in China