Multiple USB Ports:

• The charger may have multiple USB ports, usually at least three, allowing you to charge multiple devices simultaneously.

Various Charging Connectors:

• The term "3-in-1" might imply that the charger supports different charging cable types or connectors, such as USB-A, USB-C, and possibly micro USB or Lightning connectors.

Fast Charging:

• Some 3-in-1 car chargers support fast-charging technologies, providing higher power output for compatible devices to charge more quickly.

Universal Compatibility:

• Designed to be compatible with a wide range of devices, including smartphones, tablets, GPS devices, and other USB-powered gadgets.

Compact Design:

• Typically compact and easy to plug into a car's power port (cigarette lighter socket).

Built-in Safety Features:

• Quality chargers include safety features such as overcurrent protection, overvoltage protection, and short-circuit protection to ensure safe charging.

LED Indicators:

• Some models have LED indicators to show when the charger is properly connected and actively charging devices.

Swivel or Adjustable Design:

• Some 3-in-1 car chargers may have a swivel or adjustable design, making it easier to position and access the charging ports.

Adaptive Charging:

• Certain models may include adaptive charging technology, adjusting the charging speed based on the connected device's requirements.

Compatibility with Different Devices:

• The charger is intended to work with a variety of devices, including those from different manufacturers and with different charging specifications.