Beast BFG Sunglasses Beelzebub’s Bourbon Burpees Superfruits Automatically track ascents and descents

Automatically track ascents and descents along with how much time you spend between runs

The touch controls

data fields and apps from your paired smartphone

includes 4 user-replaceable AAA batteries

How do I use this with my Tracer

Beast BFG Sunglasses Beelzebub’s Bourbon Burpees Superfruits Automatically track ascents and descentsThe goodr Beast BFG Sunglasses Beelzebubs Bourbon Burpees are highly functional run sunglasses wrapped in a stylish package. Its large frame size works well with larger sized heads, while added silicone inserts help prevent slippage during your run. Also, these bad boys come stocked with polarized, gradient lenses that provide optimal clarity in the face of bright sunlight. Features Frame size accommodates larger heads Curved frame secures to your