Getting accurate feedback is the key to effective training. The Suunto t3d offers the essential guidance of knowing the true training effect of your workout without the need for a tangle of electrodes, complex equipment, or personal guidance from a certified fitness trainer. Runners, triathletes, spinners, mountain bikers, and anyone getting into shape will benefit from the accuracy of the t3d. Maximize the effectiveness of your fitness routine with up-to-the-second information you can trust.

• Helps you train for optimal performance at your fitness level
• Training Effect monitoring:
    - Calibrates to your baseline activity level
    - Uses 1-to-5 scale to display intensity of workout
    - Helps you train at the optimal level of exertion
    - Sound alarms indicate activity level
• Comes with the new textile heart rate Comfort Belt
• Belt features soft fabric for comfort and traction strips for a snug fit
• Interference-free heart rate monitoring
    - Not affected by power lines or electronic equipment
• Dual Heart Rate Belt
    - Features Coded Analog data transmission
    - Allow communication with most cardio gym equipment
• Stores 15 logs of memory
    - Reflects the progression of your aerobic health
    - Helps you track performance capacity
• Measures real time calories burned
• Features a lock button
• Water resistant to 100 feet
• Can be enabled to tracks speed and distance
    - Requires Suunto POD (Peripheral Observation Device)