The Panasonic KX-TF400 is a reliable feature phone designed for those who prioritize essential communication and durability over complex smartphone apps. It operates on 4G networks with VoLTE support, ensuring clear voice calls through a compact device that weighs only 110 g. You can easily navigate its functions using the 2.4-inch TFT color display, which provides a resolution of 240 x 320 pixels for legible text and menus. Built to handle daily wear, the phone features an IP44 certification that protects it against dust and splashes of water. Its physical design is rounded out by a built-in LED flashlight for quick illumination and Bluetooth 5.0 connectivity. For storage, a nano-SIM slot is paired with a microSDHC slot supporting up to 32GB, while audio can be enjoyed via the integrated speaker or a standard 3.5 mm mini-jack. The device is powered by a 1000 mAh Lithium-Ion battery that offers between 5 and 5.5 hours of talk time and roughly eight days of standby. Charging is convenient thanks to the modern USB Type-C port. This phone suits users looking for a dependable secondary device or a simple primary phone, coming complete with a charging cable and headphones in the box.