Mobile phones and earphones have become necessities in our lives. How many people feel restless when they don`t have a mobile phone around. The mobile phone gives us a great sense of security to a certain extent, and its additional earphones also have such a function. . Wear headphones when you don`t want to talk; when you don`t want to listen to others, you wear headphones; when you don`t want to be harassed in an unfamiliar environment, you can play your favorite songs, be happy or sad, and enjoy your little universe most comfortable. There are now a variety of earphones on the market for people to choose from. From the original wired earphones to the current wireless Bluetooth earphones, they are more and more in line with people's requirements, and the sound quality and noise reduction are also constantly improving.
If you want to get a sports headset (sports scene) or a true wireless tws true wireless Bluetooth headset, what you expect from him is that it has the ability to withstand the test of different environments, wear it steadily, and have a long battery life, or it may be out of the street. Appearance, excellent sound quality, stable connection, friends who have certain requirements for sound quality and low requirements for noise reduction. You can take a look our earbuds.
Headphone 5.0 Handsfree,Cute Earphones,Mini Headphones,Ultra-Light Earbuds Shenzhen Focras Technology Co.,Ltd , https://www.focrass.com
1. Change the box IP address:
Since Hubei Unicom FiberHome HG680-J is connected through PPPOE, it is usually connected to the upper layer of the router and the network cable is directly connected to the LAN port of the router. At this time, it needs to change to the automatic IP method: Press the remote control's setting button, the default password is 123456. , Change the original PPPOE mode to the automatic access IP in the wired network, and get the new IP in a box; 
2. The well-welded GND of the box is connected to the TTL GND, the RX of the box is connected to the TTL TX, and the TX of the Hubei Unicom beacon HG680-J is connected to the TTL of the RX;
3, open the HyperTerminal (putty, securecrt and other serial tools will do), set the TTL serial number (in the device manager can be found), the baud rate is set to 115200 (see below): 
5, download the latest version of the sofa butler desktop, copy to the U disk, in order to facilitate the knock command, changed its name to shafa.apk, U disk plug in the box, you will see the HyperTerminal beating command, after completion, you can use the df command to check the next U disk path; 
I am here "/mnt/sda/sda1/", directly enter the command "adb install /mnt/sda/sda1/shafa.apk" to install the sofa butler desktop;
6. After the command stops beating, use “pm list package†to check whether there is package:com.shafa.tvlauncher, indicating successful installation.
7, then disable remote control, upgrade, to avoid the upgrade after the sofa butler:
Pm disable com.fh.tr069 Disable remote control
Pm disable com.fiberhome.fhupgrade disable upgrade 
Hubei Unicom beacon HG680-J installs third-party applications via U disk
On the Taobao Amoy a 4.3 yuan shipping USB to TTL brush machine line, disassemble, welding on the GND TX RX three lines (methods see the above post, not repeat); 4. When the box is started up, the screen will see the scrolling, and so on. After the box is started, press Enter to see the prompt root@HG680:/ # 8, then amstart com.shafa.tvlauncher start sofa butler desktop, you can see the TV into the sofa butler desktop. Go to the setup menu and enable boot from startup. You can also install a sofa butler on the desktop, after which the software is free to install; 9, if you want to see IPTV, but also to set up into PPPOE mode, and change the network cable to the original way;