The Apple iPhone 5s, launched in September 2013, features a 4.00-inch touchscreen display with a resolution of 640x1136 pixels and is powered by a 1.3GHz dual-core Apple A7 processor with 1GB of RAM. It runs on iOS 7 and has a 1570mAh non-removable battery. The phone has an 8-megapixel rear camera with autofocus and a 1.2-megapixel front camera. It offers 16GB of inbuilt storage and supports a single Nano-SIM card. The iPhone 5s is compact and lightweight, measuring 123.80 x 58.60 x 7.60mm and weighing 112.00 grams. It comes in Gold, Silver, and Space Grey colors and features a metal body. Connectivity options include Wi-Fi, GPS, Bluetooth v4.00, Lightning, 3G, and 4G. The iPhone 5s is equipped with various sensors such as an accelerometer, ambient light sensor, compass/magnetometer, gyroscope, proximity sensor, and fingerprint sensor.