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

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Product Description:

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: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:How does the loudspeaker sound?
First try to plug in the headset to see if there is no sound, the sound may be bad speakers.
Q:Show not to insert a speaker or headset
The second step, then click on the bottom of the "Realtek HD Audio Manager"
Q:What is the loudspeaker?
MP4 player with built-in speaker, you can not use an external speaker, you can also avoid a long time with the inconvenience of headphones.
Q:The loudspeaker can not adjust the volume.
Option 1: open the control panel, find the sound and audio equipment, open the "audio icon on the taskbar" in front of the hook hook
Q:Notebook speaker headset can not automatically switch, how to do
And then in the window that appears, select "the audio from the built-in speaker to the headset" and then select OK on it.
Q:Does the loudspeaker drive?
While the PC speaker driver as a speaker to use.
Q:How do speakers be classified?
Classification by radiation: cone (direct radiation) loudspeaker, trumpet (indirect radiation) loudspeaker.
Q:Loudspeaker headset or headset has been unplugged how to do?
Normal (no exclamation point), this situation is also divided into two kinds: one is your sound card driver is not correct, the device can not run properly, the second is your sound card program version is too low, can not work, use Lu master upgrade driver
Q:Speaker woofer what Q value is good
When the Q value is too low, the output sound pressure of the loudspeaker is not falling rapidly at F0, and the loudspeaker is in a damping state, causing the low frequency attenuation to be too large.

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