Sony VAIO VPCEG28FN/B (2nd Gen Ci5/ 4GB/ 500GB/ Win7 HP/ 512MB Graph) details from flipkart

Model Name Z3700 /Slim form with USB receiver,16 month battery life, 1200DPISystem Requirements Windows Vista/7/8/10 and USB port availableSales Package 1 Mouse, User Manual, Warranty CardCompatible Devices Windows Vista/7/8/10 and USB Port AvailableColor BlackPart Number V0L79AA#UUF / V0L79AA#ACJOther Features Highly Accurate, Highly Portable, Multi OS SupportBluetooth NoWidth 60 mmHeight 101 mmDepth 25.3 mmWeight 500 gOther Dimensions Package Dimension: 198 x 139 x 53 mm, Package Weight: 0.14 kgWhether you are playing games or working on a PowerPoint presentation, say goodbye to the messy wires with this wireless optical mouse from HP. It operates on 2.4 GHz frequency to offer you a seamless experience.The attractive ergonomic design lets you navigate easily.The HP wireless mouse has a sleek and sturdy design. It has been designed with the blue LED technology, which allows your mouse to function on a wider surface. It operates on battery. You need to plug-in the USB, connecting it to your PC or laptop, so as to use the mouse. he HP wireless mouse, can run for 16 months continuously on an AA battery. It has been designed to work for a longer period of time. It comes with optical speed, which gives it amazing speed and accuracy. It supports Windows 7, Windows 8, Windows 10, Mac OS 10.3 or later and Chrome OS.