But some of the 1/2" bits the OD is large enough where they touch each other or you have to go every other hole. Cons:- Buttons are low and kinda close together (power, volume up and down(change channel/track), so takes a bit longer to adjust volume. With the current coupon, the F1 is a good deal. I live in heels and have for years, these are the worst shoes I?ve ever bought I contacted Ensure Support in Mumbai, Logitechs official service provider. If, the drops collected together and slid down, it would sometimes activate the Pause or Stop feature of the activity tracking and I wasn?t able to track the entire route. The most reason I cannot give a 5 star is its annoying charger design! If the battery runs out, the cans just stop with no warning. Love getting irie w them on the beach. the author says "Get it now and do yourself a big favor!