- Form meets function with Garmins Forerunner 305 next-generation sleek & stylish personal trainer
- High-sensitivity Si RF Star III153 architecture
- Alerts for time distance pace & heart rate
- Receive a detailed post-workout analysis on the PC with included Garmin Training Center 153 software Dont let its good looks fool you the Forerunner 305 features a high-sensitivity GPS receiver new courses feature & robust ANT wireless heart rate monitor for optimal performance. Designed for athletes of all levels this running partner & personal trainer continuously monitors your speed distance pace & calories burned so you can train more effectively. It tracks your every move with a super-sensitive GPS that even works on tree-covered trails & near tall buildings. Specifications Weight 77 grams Display 33w x 20.3h mm Physical size 53.3w x 17.8h x 68.6d mm Lap memory 1000 laps Battery Rechargeable internal lithium ion Battery life 10 hours typical use Waterproof IPX7 standard