Gadgets

Charging batteries without the use of cables and plug

A cable used to charge a smartphone or other portable device.

Batteries are small containers of chemical energy that provide power for electrical items.

USB (Universal Serial Bus) is a technology used to connect computers with peripheral devices.

Sensors and methods for detecting or calculating the geographical position of a person, a mobile device or other moving objects.

SIM ( Subscriber Identity Module ) is a removable card inside a cell phone that stores data unique to the user.

Generally, two types of SIM Slot are available. Hybrid SIM Slot Dedicated SIM Slot  

2G is the second-generation technology standard for broadband cellular networks.

3G is the third-generation technology standard for broadband cellular networks.

4G is the fourth-generation technology standard for broadband cellular networks.