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

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.