Megaphone Recording Speaker High Power Handheld

Product information:
Power supply mode: Built-in lithium battery
Color: 240 seconds recording large capacity battery, 240 seconds recording large capacity battery folding handle, Bluetooth version card [240 seconds recording large capacity battery], Bluetooth version folding [240 seconds recording large capacity battery],(Dual Power version) 240 seconds recording 2 large capacity batteries foldable grip, (Level 3 version) 240 seconds recording 3 large capacity batteries foldable grip, bluetooth version dual power supply [240 seconds recording 2 large capacity batteries foldable grip]], plug-in card U disk version [240 seconds recording large capacity battery foldable grip]], USB flash drive Bluetooth version [240 seconds recording large capacity battery foldable grip]]]]
Frequency range: 100-20kHz
Interface Type: USB
Applicable people: general
Specifications: Table
Battery capacity: 3000
Shell Material: Plastic
Operation mode: Handheld
Function: card insertion