Sennheiser CX True Wireless Wire-free Bluetooth earbuds
. The sweat-proof Sennheiser CX True Wireless earbuds fit securely and deliver clear sound with depth and detail. Wire-free "value" earbuds with premium sound: The Sennheiser CX True Wireless earbuds bring much to the table at a reasonable price. I've spent some time with these streamlined, sweat-proof earbuds and they include many of the features found in more expensive models. In fact, if you don't need active noise cancellation, there are few other compromises. And Sennheiser certainly didn't skimp on sound.