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Product Name Breezing™
Principle Indirect calorimetry* (Measurement of oxygen consumption rate and carbon dioxide production rate)
Parameters Resting Metabolic Rate (RMR) or Resting Energy Expenditure (REE), Respiratory Quotient (RQ, Energy Source)
Resolution / Unit  10 kCal/day for REE; ranges of RQ for energy source (mostly fats, mixed, or mostly carbs)
Measurement time Depends on specific individual
Operating environment
Temperature range  59 to 86 oF (10 to 30 oC)
Elevation range  0 to 11,483 feet (0 to 3,500 meters)
Humidity Range  10-88% (non-condensation)
Wireless Communication
Wireless Type Bluetooth 4.0 (iOS version)
Carrier Frequencies 2.40 to 2.48 GHz
Antenna Omnidirectional
Operating Specifications
Power Input 7.4 V – 680 mAh
Battery Type Lithium ion polymer
Battery Cycle 20 measurements (with fully charged battery)
Data Storage External mobile device (phone or tablet) with Breezing App installed
Size and Weight
Weight 6.0 oz. (170 g)
Dimensions 1.8 in ×2.1 in ×4.8in  (4.7 cm × 5.4 cm × 12.3 cm)
Warranty 1 year limited
Included Accessories Mouthpiece (reusable) and sensor cartridges (1 time use)


* Recommended and Preferred Method by the Academy of Nutrition and Dietetics (H. M. Seagle, G. W. Strain, A. Makris, and R. S. Reeves, “Position of the American Dietetic Association: Weight Management,” Journal Of The American Dietetic Association, vol. 109, pp. 330-346, 2009).