... Technical Details GPS: High-sensitivity SiRFstarIII architecture Heart rate monitor: Yes Measurements: Heart rate, speed, distance, pace, and calories burned ... ounces (heart monitor) Warranty: 1 year parts and labor What's in the Box: Forerunner 305 GPS unit, heart rate monitor, ... docking cradle, wrist strap, Training Center CD-ROM, AC charger, USB cable, quick-start guide, user's ...