Thanks to Lei Feng for offering this opportunity to try out the dual sharing account, so that I can experience such a dark technology product. I didn't expect it to be so small at the beginning, and I didn't realize it when I applied. It was really light and small when I got it. Recently, I haven't had time to write seriously because of my work, and now I am busy. Let me give you an evaluation:

Unpacking:

▼ Get express Hour It's just a plastic bag. At first, I was worried about whether it would be crushed. Later, it was found that the product packaging was made of plastic gas Bubble. Seriously, the package is very cheap, just like the one or two yuan tempered film on Taobao.  

▼ There is detailed product information of double number on the back of the packaging bag Three circumference by  46.1× twenty-five point seven × 7.5mm , weight only 6.8g , Battery 55mAh 。 connect Protocol Adoption Has Low power Bluetooth four 。  

▼ Take a family photo and compare it with the surrounding references. It can be seen that the double sharing number is really small. Everything includes: Double sharing number noumenon + Headphone hole plug tape +Card taking needle + N Ano to M icro Ferrule +Instructions for use.

▼ Bonus N Ano to M icro The card sleeve is really considerate, and it also shows that it is a main style iPhone Market products.  

▼ In addition to the complimentary card sleeve, the double sharing number also includes a headphone hole belt and a card pin, which can solve all the things you need in one step. Due to its light weight and small size, the dual sharing number can be used as a mobile phone pendant. There is also a double sharing number that does not need a pin. These accessories are for convenience iPhone Users of.  

Appearance design ：

▼ Pure white plastic fuselage, rounded rectangular shape, only The front panel has One button, The back is a pure white back cover. In design It has a little taste of apple aesthetics.

▼ The opening of the whole body is also very simple. There are three openings in detail: the headphone lanyard at the top, the back cover at the side, and the charging interface at the bottom.  

▼ After opening the cover SIM Card slot, adapter M icro SIM。 At present, only China Mobile and China Unicom are supported. Children's shoes of China Telecom do not cry, I believe that in the near future It will support telecommunications.

▼ The charging port is the most common one at present M Micro USB port. charge thirty Minutes can be used fifteen Days. I encountered a small problem during charging: 5v/1A I didn't charge it for half a day, so I thought the product was broken. Later, it was used 5v/2A It was successful. Maybe it's just an example!

APP experience:

▼ Download complete APP After that, you need to register an account with your mobile phone number. You can use the SIM The card number can also be used to register SIM Card number registration. After registration, we can use Bluetooth to connect to our lovely dual account host. In particular, you should use a national card without roaming fees, because the dual account only serves as authentication, and the local card may charge roaming fees.  

▼ There is nothing difficult for everyone later. Bluetooth can be used after pairing. Judging from the recent use experience, I feel limitless The dual account belongs to the type of dual network and dual standby. When the signal is bad, APP There will be a reminder.

Of course, in a good signal environment, After testing, the call quality of the dual sharing number is good. In the call log interface, APP It will display the call status during the use of the dual account. On the SMS interface, we can edit messages to anyone. At the same time, the information received and sent during the use of the dual account will also be displayed here.  

summary ：

In general, it is simple to install and convenient to use, which greatly meets the requirements Multiple mobile card users Needs.

advantage:

one volume Compact ， Lightweight ， also Easy to use.

two from function Shangzhen satisfy IPhone users' Just needed.

3. Endurance, up to fifteen God!

Disadvantages:

1. Because SIM Card authentication information Yes network transmission Of ， Maybe Cause information leakage and other problems.

　　 2. At present, the telecom network is not supported. It is hoped that the next generation products can improve and support more network systems.