Note that this "CDMA" A1533 iPhone 5s model, supporting LTE bands 1, 2, 3, 4, 5, 8, 13, 17, 19, 20, and 25, along with both CDMA EV-DO and GSM, is designed for the Verizon network in the US.
Advertised as the "most forward-thinking smartphone in the world" upon release, all iPhone 5s models feature a 4-inch (diagonal) widescreen multi-touch IPS LED-backlit "retina display" with a 1136x640 resolution (326 ppi). They have dual cameras: a rear 8-megapixel, 1080p "iSight" camera with 1.5-micron pixels, an f/2.2 aperture, a dual-LED "True Tone" flash, and a front 1.2-megapixel, 720p "FaceTime" camera.
The iPhone 5s is available in three metallic finishes: "space gray" (black glass front, gunmetal gray aluminum back), "gold" (white glass front, gold aluminum back), and "silver" (white glass front, silver aluminum back). The gold option was discontinued on September 9, 2015. All versions include a "Touch ID" fingerprint sensor in the home button, which lacks the traditional rounded square icon.
This iPhone 5s model is powered by a 1.3 GHz 64-bit "Apple A7" processor, has 1 GB of LPDDR3 RAM, and was offered with 16 GB, 32 GB, or 64 GB of storage (64 GB option discontinued September 9, 2014). It supports dual-band 2.4 GHz and 5 GHz 802.11n Wi-Fi, Bluetooth 4.0, and 4G/LTE, with a bottom-mounted headphone jack and a "Lightning" connector.
Apple's battery life estimates for the iPhone 5s are up to 40 hours of audio playback, 10 hours of 3G talk time, 8 hours of 3G internet use, 10 hours of 4G/LTE internet use, 10 hours of Wi-Fi internet use, 10 hours of video playback, and 250 hours of standby.
In the US, this "CDMA" A1533 iPhone 5s was initially sold subsidized by Verizon for US$199 (16 GB), US$299 (32 GB), or US$399 (64 GB) with a two-year contract. On September 9, 2014, the 64 GB model was discontinued, and the 16 GB and 32 GB prices were reduced to US$99 and US$149. On September 9, 2015, prices were further cut to US$0 and US$49. It was fully discontinued on March 21, 2016.