Portable Megaphone with USB/SD Port

** Power: 60w **
** Transmission Distance: >900m **
** Max Recording Length: 6 mins **
** Rainproof & Moisture-poof **
** Can Use with 3pcs 9V batteries **
** Rechargeable **
** USB port **
** Bluetooth **
** Voice Recorder **
** Alarm **
** Loop Playback **
** User Manual included **