These Bluetooth earbuds earned The Best Rating from the Hammacher Schlemmer Institute because they provided the highest sound quality and were the most comfortable. Unlike lesser earbuds that were good at streaming music but not phone calls, these earbuds produced low and high frequency sounds for superior sound quality and were described as having “very good sound for both music and audio.” Ranked by analysts as the most comfortable earbuds, they were described as fitting “snugly, but not too tight” and “very lightweight and comfortable.” They also had the greatest range at 68 1/2' when paired with an iPhone and feature passive noise cancellation and an IP55 water resistant rating. Charges in case via USB. Case 2 3/4" L x 2" W x 1" D. (10 oz.)