(*Ships February 15th! 30 Day Money Back Guarantee)
- Headband placement gives you the most accurate reading for body temperature, heart rate and calories burned.
- Keeps you from injury or health risk by finding your optimum zone for intensity, body temperature, and movement.
- The only workout device with body temperature monitoring so you get an effective workout without risk of over heating.
- Soft touch silicone band conforms to your forehead to block sweat with comfort.
- Spree app monitors your performance and keeps track of your workout.