Garmin Forerunner 305

The GPS navigator with heart rate monitor for athletes.

It measures speed, distance, time, altitude, calories burned, lap information, and much more. The multisport function allows for a seamless transition between sports (e.g., duathlon) without restarting. The wireless heart rate monitor is digitally coded. An upgradeable wireless sensor for cadence is also available.

The device is protected according to the IPX7 standard, but the chest strap is not. There is an audible pace alarm when a preset pace is exceeded or not met. Additionally, there is an audible distance alarm when the preset distance is reached, as well as an audible heart rate alarm when the preset value is exceeded or not met.