1. What is Dual SIM Card?

Dual Sim Card is a device that can help you put two SIM cards in one mobile. It can make you realize one mobile with two SIM cards. Our dual sim holder allows to manage two GSM Sim cards in one mobile phone. This means users can switch between two numbers or networks. More and more people have two mobiles. One is for work and one for private. Our dual sim adaptor can let those people make things easier by just needing to use one phone.
Mobile is becoming a daily necessity.Nowadays more and more people like moving, especially businessmen are wandering from one place to another frequently. "Fliers" are often envied at the price of high roaming charges & long-distance fee. If your mobile is with super twin sim card, you can freely switch between different numbers of different areas by menu STK, avoiding high roaming & long-distance charges. Friends or customers from different area can find you by calling your any numbers. It can reduce half mobile charges economically.
Many people hope to leave an integrated space to their closed lovers. Super twin card can set up a special line for you. One mobile is with 2 numbers, different number is for different people. Two numbers let you enable to share different happy & secret with different people.
It becomes the life belief of people in E century that work hard and completely relax. It will not get the largest achievements and happiness unless you put all moods in one thing. If your mobile are with SUNDA dual sim card that one number is for business and the other for private, you can put into work thoroughly and enjoy life completely. Sunda twin sim card can improve your life quality easily.
Mobile means always keep in touch with others, even move to any places. As you know, Different ne-twork has strong signal in different place. You can switch to the network that have strong signal when your existing network is in blind area. It can keep you away from the blind area of network by switching different numbers and freely communicate.

2. Product related:

Nowadays more and more people like moving, especially businessmen are wandering from one place to another frequently. "Fliers" are often envied at the price of high roaming charges & long-distance fee. If your mobile is with sunda twin sim card, you can freely switch between different numbers of different areas by menu STK, avoiding high roaming & long-distance charges. Friends or customers from different area can find you by calling your any numbers. It can reduce half mobile charges economically.
Many people hope to leave an integrated space to their closed lovers. Sunda twin card can set up a special line for you. One mobile is with 2 numbers, different number is for different people. Two numbers let you enable to share different happy & secret with different people.
It becomes the life belief of people in E century that work hard and completely relax. It will not get the largest achievements and happiness unless you put all moods in one thing. If your mobile are with sunda twin sim card that one number is for business and the other for private, you can put into work thoroughly and enjoy life completely. Sunda twin sim card can improve your life quality easily.
Mobile means always keep in touch with others, even move to any places. As you know, Different network has strong signal in different place. You can switch to the network that have strong signal when your existing network is in blind area. It can keep you away from the blind area of network by switching different numbers and freely communicate.

3. General Function of Dual Sim Cards

Our Dual Sim Card is a device that can help you use two SIM cards in one mobile. If you have two SIM cards and with our twin sim card, you can put two SIM card in one mobile and realize one mobile with two sim card numbers
Use sunda dual sim cards, in order to save the roaming and long-distance calls charge. Freely choose numbers belonging to different GSM network, call out economically by one number, receive freely by another number.
Freely switch one network to another if your existing network signal is not good. Sunda twin sim card can let you always keep in touch with others , provide your good communication, never down line
Separate business call from private call, give you more space, freedom & privacy. One mobile is in hand, 2 numbers can be freely switched on-line. You needn't worry the loss of cards, because you frequently take on or take off your sim card.
Switch two numbers online. You needn't have power off or on to update your different sim card number.
Fashionable and novelty, absolutely privacy.

4. Who are suitable to use it?

Clever users: the preferential charges within a system can save you 40-50% telecommunication costs.
Businessmen: businessmen and tourists who usually travel between different network.
Fashionable users: represent fashions and cool.
CEOs: one mobile phone is with two network, always keep in touch with others.
White collar persons: separate business and privacy, change card after work to prevent from disturbing.
Public administrators: keep secret while without losing courtesy
Vehicle fans: hire one card in their vehicles without holding the mobile phone.
Other users: persons who put emphases on keeping privacy and likes to take calls selectively.