Dual - Socket Design for Multiple Devices​ This car charger adapter features a 2 - socket cigarette lighter splitter. It allows you to power two devices simultaneously, whether they are smartphones, tablets, or other USB - powered gadgets. No more arguing over who gets to charge their device first during a long car ride. With this splitter, everyone can keep their devices charged and ready for use.​ Dual USB Quick Charging​ Equipped with dual USB ports, this charger provides quick charging for your iPhone and other compatible devices. The advanced charging technology ensures that your devices charge at an optimal speed, reducing the charging time significantly. You can get a substantial amount of battery life added to your iPhone in a short time, keeping you connected on the go.​ LED Voltage Display​ The built - in LED voltage display is a useful feature of this adapter. It shows the real - time voltage of your car's battery. This helps you monitor the health of your car's electrical system. If there are any abnormal voltage readings, you can take timely measures. It adds an extra layer of functionality to the charger, making it not just a charging device but also a tool for car battery monitoring.​ Compatibility with iPhone​ Specifically designed for iPhone users, this car charger adapter is fully compatible with various iPhone models. It provides a stable and reliable power source, ensuring that your iPhone charges safely without any issues. Whether you have the latest iPhone or an older model, this charger adapter is a perfect fit for your car charging needs.