This device is very much user friendly with ideal size for office employee or market reseacher who has to carry his laptop whith him while traveling the market . It has good battary backup of 4-6 hr with medium brightness . Keypad keys are not too small they are perfect for speady typing. this device is value for money and happy to say I bought this device and I will recomend all the corporate employee and who carry their laptop will buy this device . The service and support team are available 24*7 for their customer to resolve their problem .