Portable Voice Amplifier Megaphone Microphone Speaker

Features:

1.Support USB disk and TF card to play music
2. Insert a TF card, then it will support recording function and playing the recording files via the dual 3W HD stereo speakers; the LED display screen shows the information and status of the speaker.
3. Support MP3 / WAV Lossless Decode.
4. This product can Continuous work for 72 hours.
5. This product Single track loudness can reach 128dB
6.Suitable for:
teaching, tour guides, promotions, meetings

Specifications:

Basic function:
music playback/speaking
Material technology:
ABS plastic
Rated power:
5W
Input power:
power adapter/USB power supply/lithium battery
Resolution:
80dB
Distortion:
1% (3.7V, 1KHz, 1W)
Signal to noise ratio:
83dB
Working voltage:
DC3.7V
Battery specification:
3.7V/18650 external
Impedance:
20
Speaker:
2.5 inch x1
Audio format:
MP3/WAV
Firmware upgrade:
none
Machine volume:
?85mmX85mmX34mm( WxHxD)
Working temperature:
-5°C~40°C
Net weight of the machine:
?133g (including lithium battery)


Package includes:

1 x Mini Audio Speaker
1 x Cable Head Microphone
1 x Belt
1 x Certification of Competency
1 x Data Line
1 x 18650 Rechargeable Battery

JAMSTVO

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