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:Does the loudspeaker drive?
While the PC speaker driver as a speaker to use.
Q:What is the working principle of the loudspeaker?
1. Electric speaker structure is simple, easy to produce, and itself does not require large space, resulting in cheap, can be a lot of popularity.
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:Mobile phone speakers have noise, how to do it?
After the above investigation is still appear noise, it is recommended to back up mobile phone information (phone number, SMS, photos, etc.) to carry mobile phones, purchase invoices and warranty card to the local OPPO customer service center testing.
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:How do speakers be classified?
By use classification: high fidelity (home) loudspeakers, monitor speakers, loudspeakers, musical instruments
Q:How to set the speaker volume on the computer's master volume
Although this is the XP system, if the landlord is Win7 sound adjustment options are similar (if the adjustment still appears after the noise,
Q:The loudspeaker can not adjust the volume.
Option 2: 360 security guards in the optimization of acceleration to see the entry windows Audio service has not opened, if not, then you can restore,
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 quota of the loudspeaker sets?
sound reinforcement system equipment installation, commissioning"

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