... impurity, the highest is 98%; long service life and durability, not afraid scratch, long life for touching; good performance, the touch ... ; dual graphics card; Intel® AtomTM CPU,1.8GHz,; Huntkey 150W; Hard disk Hitachi 320G; RAM Kingston DDR3,1GB.Windows 7 with Multi ... response, can resist to the light interference.3. Touch by any object, including the finger, pen and so on, you can ...