that it describes as “the smallest GPS with the most advanced mapping on the market”. The device provides Ordnance Survey topographic maps and TomTom roadmaps of Britain alongside OpenStreetMap, while offering the ability to pair with Bluetooth sensors and display multiple performance fields.
“Imagine having precise maps on an optimal screen to understand the terrain in detail. Roc stands out for its accuracy and solid reliability, allowing you to venture into stunning landscapes with total safety.” How does TwoNav claim that the Roc is “the smallest GPS with the most advanced mapping on the market”, then? Because it reckons its mapping is better. The Edge 540 is preloaded with Garmin’s cycle map and you can
The TwoNav Roc’s 2.7in touchscreen is made from Gorilla Glass that’s designed to stand up to impacts and has IP68 certification, meaning that it’s dust-tight and protected against powerful jets of water. TwoNav claims a battery life of about 18 hours in normal use.