Edge 705 has a colour display, built-in maps and optionnal street maps with turn-by-turn routing. It also tracks your heart rate, speed, distance, time and elevation. Swap routes wirelessly with other edge 705 users and upload to garmin connect for data analysis and route sharing. PC and MAC compatibe. Garmin's innovative AN+ technology wirelessly transmits heart rate, optional speed/cadence and power data (in watts, from third-party power meter). It also lets you share datawith otheredge 705 devices.