Stereo Mini Speaker USB TF Card MP3 Music Portable Speakers FM Radio Digital Speaker

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Product Description

Stereo Mini Speaker USB TF Card MP3 Music Portable Speakers FM Radio Digital Speaker

Features:
1) 100% Brand New.
2) 5 Colors available: Rose Red, Blue, Black, Green, Silver(Dear friend, When you place an order please leave me a message to tell us which color you want, Or we will ship it by random, Thanks!!!)
3) Size: 5 x 5 x 5.3cm(3.32x2.54"/W x L x H, Approx)
4) Portable Speaker Can Be Utilized Virtually Anywhere.
5) Supported Micro SD Card, USB, FM
6) Fashion design and Super Mini design is popular among young people
7) Compatible with audio output devices through the line in port, such as mobile phone, MP3, MP4 player, PC, notebook, etc.
8) A multiple cable interface including 3.5 mm and mini-USB and USB port (included)
9) Ideal for use in office, home and outdoor
10) Impedance: 4Ohms
11) Frequency response: 200-12000Hz
12) Signal to Noise Ratio:> 80 dB


Specifications:
FM:87.MHZ-108MHZ
IP Grade:2.4GHz
Power rating:3W
SNR: 45dB
Respon Frequency:20HZ-20KHZ
Power: External battery:3.7v-4.2v


Package Content:
1 x Portable Speaker
1 x USB Cable
1x Audio Cable

Speaker Photos:

Stereo Mini Speaker USB TF Card MP3 Music Portable Speakers FM Radio Digital SpeakerStereo Mini Speaker USB TF Card MP3 Music Portable Speakers FM Radio Digital Speaker
Stereo Mini Speaker USB TF Card MP3 Music Portable Speakers FM Radio Digital Speaker


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Q:Does the loudspeaker drive?
I remember in the 90's super king of a version of the speaker to solve some of the sound card speakers to see the disc silent.
Q:How the speaker converts the electrical signal into an acoustic signal
This magnetic field interacts with the magnetic field of the permanent magnet and drives the coil to vibrate. The cone connected to the coil is also vibrating, and the sound is emitted.
Q:Speaker woofer what Q value is good
Generally requires a low Q value, but not the lower the better.The quality factor of the loudspeaker unit is a very important parameter that must be understood before designing and producing a speaker.
Q:Computer speakers and headphones also have sound !!
1. Open the Control Panel - Hardware and Sound - Realtek High Definition Audio Manager - Speaker.
Q:How do speakers be classified?
By energy classification: electric (moving coil) speakers, electromagnetic speakers, electrostatic (capacitive) speakers, piezoelectric
Q:How to set the speaker volume on the computer's master volume
it is recommended to change the computer to check the headset or speakers and other equipment sound quality problems) Start - control panel - sound and audio equipment -
Q:What is the sound of the loudspeaker?
the coil on the inside or outside the movement, driven by the vibration of the cone sound.
Q:How does the loudspeaker sound?
No sound may be driven by the problem, re-install the sound card driver, there may be you put the playback device disabled.
Q:What is the quota of the loudspeaker sets?
Fire alarm above the speaker can apply "fire equipment installation project" inside the "fire accident ceiling speaker" quota;
Q:Micro letter speaker how to do small sound?
5: microphone problems, which can be reflected in 3, you can also use other recording software to try

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