Earbuds case carrying is a annoying think unless use this buds as a wireless powerbank for smart watches . For yoga's trekkers and explorers loves it as much least carrying things. Increase buds battery capacity as 5k mah. Also add reversible wireles...
Sharing workout results with friends and and family and navigating to a desired locations and tracking back to the starting point , no worries for battery and rugged actions Be yourself .