Best GPS Devices - Internal, North America Maps, 20 Channels Receiver type

'The 3.5-inch screen is easy to view in daylight and has a sharpish resolution of 320x240.'

'high-quality sound'

'elegant 3.5" touch-screen display'

'Through using route profile settings it is possible to set the Sony NV-U44 to avoid the use of ferries, toll roads, and other such conveyances when calculating your route.'

'Responsive touch screen'

'responsive touch screen'

'rich features only a dedicated device'

'Navigation instructions.'

'Extra screen girth is welcome.'

'proprietary map improvement technology'

'the XL-S will come with text-to-speech.'

'Dedicated buttons make it easier (and safer) to adjust the volume while driving.'

'The GPS clips onto the mount with ease and is removable with one button for secure storage when you're parked.'

'downloadable fuel prices'

'North American maps'

'new models sports a sleek black case design'

'real-time traffic speed'