High Class Quality Brand Mp3 Pc Led Touch Screen Portable Bluetooth Speaker With Nfc

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Product Description of Bluetooth Speaker                                                                                                                                             

   High Class Quality Brand MP3 PC LED Touch Screen Portable Bluetooth Speaker with NFC 

 

Performance:

1, Bluetooth 3.0 touch block, using chip CSR, its advantages are as follows:

     Bluetooth compatibility, good quality  Disadvantages: expensive
     3.0 version of the mainstream version, mature and stable.

     3ms ultra high-speed start, start-up time of less than 3ms Bluetooth 3.0 Bluetooth version previously criticized places on the starting speed, Bluetooth 2.1 version of the start-up speed takes 6 seconds, while the 4.0 version only requires 3 milliseconds to complete, almost instantaneous connection.
 

 more secure encryption, a wider range of radiation, Bluetooth 3.0 enabled 128-bit AES encryption completely, providing strong encryption and authentication of data packets degrees.

2, low distortion amplifier using Class D digital amplifier (FT-2011M), the advantages of digital amplifier: distortion, small size, high efficiency power amplifier, high reliability, anti-EMI, jamming.

3, 16 speakers with high-grade inner magnetic core 3W4Ω speaker, clear treble, bass deeper sounding, it is more comfortable hearing.

4, built-in rechargeable battery using polymer batteries + independent protection board (Polytechnic IC). Reached double protection circuit, more secure and reliable. Full power available for 5-8 hours of continuous music playback, low voltage automatic protection shutdown.

5, built-in microphone, high quality microphone, ultra-low noise through the filter, echo suppression technology to support many simultaneous calls, conference calls, etc.

6, support to cable phone, answer the phone function, double buttons can also be achieved previously re-dial the last pull a phone, convenient and less radiation.

7, multi-touch implementation: on / off, pause / play, pick / reject / re-dial telephone, etc.

8, a 3.5mm jack connection can achieve vintage radios, computers, MP3, etc., and can be used for charging jack, a hole dual-use, simple and convenient. All 5V USB charger and PC computers with Bluetooth stereo can be charged.

9, NFC capabilities, NFC advantages are: rapid induction that pairing with other Bluetooth devices, unlimited fast life. Specific operation, Bluetooth speakers in the off state, the Bluetooth speaker phone indicates "NFC" area 2 cm range, moving back and forth to your phone. When prompted to connect the phone to the Bluetooth device, please click "OK" to achieve connectivity.

Note: Make sure your phone supports NFC feature, simply move back and forth in your phone's NFC Bluetooth speaker sensing area, the connection can be realized

 

 

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Q:How the speaker converts the electrical signal into an acoustic signal
Put the tape, the tape recorder to pick out the electrical signal, through the preamplifier amplifier, amplifier and so on.
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:Computer speakers and headphones also have sound !!
2. Click the folder in the upper right corner - bring up the "Disable front panel jack detection" above.
Q:Show not to insert a speaker or headset
The first step, click the Start menu, open the control panel! Then click on the "hardware and sound"
Q:The loudspeaker can not adjust the volume.
Step 1: in the Start menu to find all the procedures to start, click the right button to open the short horn after the shortcut can be placed (Figure 1 - open start, the mouse on the start, right click, find open)
Q:The difference between loudspeakers and loudspeakers
There are portable, wireless, outdoor rods, and now the loudspeakers are generally rechargeable.
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:Speaker woofer what Q value is good
When the Q value is too high, the speaker is in an underdamped state, and the low frequency is excessively strengthened. The larger the Q value, the steeper the peak.So we say that the quality factor of the speaker that can not be too high can not be too low, usually take 0.2 ~ 0.5 is appropriate.
Q:How does the computer's speakers install?
You have to reload the sound card driver, you should be integrated sound card, do not know which you are the sound card, first drive the following operation:
Q:What is the icon of the loudspeaker?
not open the control panel, management tools ---- computer management ------ device manager ---- sound,

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