Randolph Engineering Aviator Matte Chrome Sunglasses | Tan Polarized Bayonet Hats Real-time heart rate and calories

Real-time heart rate and calories burned

Model: 57MM SP72432

Speaker Sensitivity: 105 +/- 3dB

Adjustable GPS recording interval

Randolph Engineering Aviator Matte Chrome Sunglasses | Tan Polarized Bayonet Hats Real-time heart rate and caloriesRandolph Engineering originally built their classic Aviator for the U. S. Military, surpassing rigid mil spec standards. As a standard issue since 1982, these sunglasses are battle tested and ready to take on the most rigorous and demanding use. Whether you're a pilot, taste maker, or just someone that demands the best quality, you won't be disappointed. [Details] Made in USA using the finest components found worldwide. Signature bayonet temples