position of the mouse on the screen. Instead the P1510D has a joystick pointing device situated just below the G and H keys. Initially I found the device very difficult to use. I wasn't able to control the movement of the joystick very well with my finger tip....

joystick back and forth and up and down in an effort to get the pointer on target. With a few Control Panel adjustments and a period of using the joystick I was better able to control the mouse arrow, but never anywhere near as well as with a touchpad. Although...

case. Both phones come with an AC charger, but the Propel Pro uses one port for charging and connecting to your PC while the E75 can charge either via USB or power cable. The Propel Pro has a joystick and the E75 has a control pad. One major difference...