Hands-free megaphone with FM radio

Product Features & Basic Specifications
Features: A hands-free megaphone that allows you to keep your hands free by wearing the speaker and headset microphone.
Its lightweight and compact size makes it suitable for various situations such as tour guides, events, lectures, and store sales.
It comes with a headset microphone with a flexible arm, allowing for free movement.
It can play MP3 music data stored on USB memory or microSD cards, and simultaneously output microphone audio.
Precautions:
* Never disassemble, repair, or modify the unit (do not remove the cabinet either).
* If the unit becomes hot, emits a strange odor, or smoke during charging, immediately unplug the charging cord and stop charging.
* Keep away from water and do not get it wet.

Accessories: Headset microphone, carry strap, USB charging cable, instruction manual
Material: ABS resin
Color: Black
Size (Speaker): 2.5 inches 
Weight (g): Speaker 130, Headset microphone 25, Battery 90
Power Source: Built-in lithium-ion battery (3.7V, 2000mA) x 2
Maximum Output (W): 3
Cable Length (m): 1
Dimensions (W x D x H) (mm): 78 x 43 x 117
Input: Microphone 3.5mm microphone jack, USB memory, microSD card <32GB or less>
Continuous Use Time (hours): Approx. 20 (at full volume)
Functions: FM radio, LED light, voice recorder
Frequency Response: 100Hz - 18KHz
Mode Switching: Speaker, FM radio, microSD card, USB memory (Long press for FM radio to auto-search radio stations; long press during microSD card or USB music playback to turn on single repeat/all repeat/folder repeat)
Current Consumption (mA): Standby (60-80), In Use (80-1000)
Input Signal: Headset microphone 52dB
Impedance: Speaker 4Ω, Headset microphone 2.2kΩ
S/N Ratio: 80dB or higher
Charging Time (hours): 10
Speaker: Sealed full-range speaker
Audio Recording: Recording function available (via external microphone for recording)
Charging Method: USB cable (DC5V, 1A)
Playable File Formats: MP3 (USB memory, microSD card (32GB or less))