This is an iPhone 5s in Space Gray with 16GB storage, model A1533, designed for T-Mobile network. It features a 4-inch screen, Dual Core processor, 8MP camera, Bluetooth and Wi-Fi connectivity, as well as built-in memory. The phone runs on iOS, has a fingerprint sensor, accelerometer, and comes with 1GB of RAM. Ships within one business day of purchase.
eBay