New Year to buy a millet steel cannon: MI millet Bluetooth audio 2

I had nothing to do during the Chinese New Year. When I was shopping in the street, I discovered that Changsha had even opened a house of millet. As Mi black, I naturally had to go shopping and play with Xiaomi's new mobile phone products. As the saying goes, it

Splitters

The splitter is usually divided into one-two (one input and two output), one-third (one input, three output), etc. according to the output. The main technical parameters of the power splitter are power loss (including insertion loss, distribution loss and refl

Can the three major operators carry the number to the network?

The port number transfer means that the mobile phone user can keep the original phone number unchanged when changing the contracted carrier within the local network. For example, if the user is currently a mobile user and wants to keep the number using the service of C