Apple Imac Intel 21.5" 4GB RAM 2.5GHZ intel i5 ?

on 07506925647 hi there i am selling my apple i mac. if your interested please call me. reason why i am selling. upgrade to macbook -pro. thanks It is powered by the quad-core Intel Core i5 processor, the Apple IMAC affords enhanced operational performance. With a resolution of 1920x1080 pixels, the 21.5-inch LED display of this Apple iMac computer delivers a crisp and vivid output. Mac OS X 10.6.8 compatible with the new Mountain Lion Integrated with AMD Radeon HD 6750M graphics card of this Apple iMac enhances all visuals. Comes with official keyboard and mouse 4 GB DDR3 RAM, 500 GB hard disk space. Supporting Wi-Fi connectivity 550 please no time wasters For further questions feel free to contact me. no time wasters please