Track your heart rate before, during, and after that grueling workouts with this adjustable armband monitor. Let it inform you and motivate you to reach your fitness goals. From Echelon.

Features:

• Connects to Echelon Fit app for on-screen heart rate
• Optical sensor
• Compatible with ANT+ and Bluetooth 4.0 enabled devices
• Measures approximately 5.5" x 2.5" x 1.5"