Open-ear sport earbuds
Bose's workout-focused open-ear earbuds, with a C-shaped cuff that clips around the ear and leaves the ear canal open. They skip the Immersive Audio and aptX Adaptive of the Ultra Open Earbuds (2nd Gen).
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IP54 sweat and dust rating
They are rated IP54 for sweat, splashes and dust, a step above the IPX4 splash rating of the Ultra Open Earbuds (2nd Gen).
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Physical buttons
Each earbud has a textured physical button for music, calls and volume, designed for use with sweaty fingers. Changing the volume takes a press followed by a hold.
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Light bass
Reviewers found the bass light, a common tradeoff of earbuds that leave the ear canal open.