Sales by: the technology professionals - CAUTION! Property me already pleased times so'n to try e-reader from. The order arrived as advertised. I unpack the unit and close s to the PC in order to play on it ... and nothing happens. I can access neither to the internal memory, nor is it possible, the used by me Micro-SD card to control. Reader disconnected from the computer. Menu says what by: Last reading book: dead beat me at, sometime in 2000! Funny, current date stood at 2001. Basic settings made and date updated. Again connected to the PC and ... again nothing. No Contact ". Launched new computer, connected, waiting for the connection about 5 minutes - does not work out. E-reader reset and tried again, still no redemption. OK - just bad luck and send them back. Now I go with "Mars" purely because have the Trek 3.0 goals at the moment on offer (also 39.99), taken! At home at the computer, plugged in and ... Tadaa: work, immediately recognized. Since I was now curious but, from the Menu - * plop * - Reader, because not charged battery. (Funny, the other was loaded) Something charged and turned on: Last reading: No record ...! This whole affair seems to me very suspicious. My guess is that this TrekStor was sold already (either already defective, or the first-time buyers has damaged him) The thing was then given back, but no further checks and simply reoffered for sale ...