MacOS Catalina 10.15.5
SPECS :
MacBook Pro Retina Intel Core i7 (15.4-inch, Mid 2015) 2.8 GHz Intel Core i7, 6mb shared L3 cache,Turbo Boost up to 4.0 GHz 16 Gb Ddr3L memory 256Gb Ssd
Intel Iris Pro Graphics
WiFi
Webcam
Bluetooth 4.2 wireless technology
Backlit keyboard
15.4-inch (diagonal) LED-backlit display with IPS technology; 2880-by-1800 native resolution at 227 pixels per inch with support for millions of colors
Cycle Count : 9 only (low cycle count)
95% smooth
PACKAGE : UNIT, Battery and Charger