Finally, a GPS-enabled training device that isn't afraid of the water. The rugged Forerunner 310XT is the triathlete's indispensable training tool - a GPS-enabled, swim-proof trainer that tracks bike and run data and sends it wirelessly to your computer. This multi-sport device has up to 20 hours of battery life, tracks distance, pace and heart rate (optional), and goes from wrist to bike in seconds.

• Package includes: Forerunner 310XT, premium heart rate monitor, USB ANT Stick, AC adapter, charging clip, owner's manual on disk, quick reference guide
• Compatible with cadence
• Advanced heart-rate based calorie computation
• Multisport: changes sport mode with a press of a button
• High-sensitivity GPS receiver with HotFix
• Water resistant to 50 meters
• Easy-to-read display
• Training and motivational features: Virtual Partner, courses, workouts, goals
• GPS features: mark locations, back to start
• ANT+ wireless technology: lets you automatically transfer information back and forth between the watch and the computer
• Battery life: up to 20 hours, typical
• Rechargeable lithium-ion battery lasts over 1,000+ charges