Apple iPhone 5s a1533 16GB LTE CDMA/GSM Unlocked (Certified Refurbished)
4.0-inch touchscreen display with a resolution of 640 pixels by 1136 pixels at a PPI of 326 pixels per inch.
1.3GHz dual-core Apple A7 (64-bit ARMv8) processor
8-megapixel primary camera on the rear and a 1.2-megapixel front shooter for selfies.
16GB of internal storage cannot be expanded.
"A Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a manufacturer or specialized third-party seller approved by Amazon. All products are backed by a minimum 90-day warranty."