Product listings commonly specify sweat- or water-resistance for the earbuds, with typical ratings such as IPX4 or IP54. Many listings clarify that charging cases are not always water resistant, so check product details before exposing the case to moisture.
Models often include multiple built-in mics (for example, dual beamforming mics), voice-isolation or noise-reduction processing, and external-facing microphones that either capture ambient sound to pass through (for transparency) or filter it out to improve call clarity.
Product descriptions commonly use terms such as “Transparency mode,” “Be Aware”/“Be Aware Mode,” “Adaptive Audio,” and “Active Noise Cancelling (ANC)” to describe letting outside sound in or blending ambient audio with playback.
Many listings include Spatial Audio or Personalized Spatial Audio with dynamic head tracking to position sound around the listener for a more immersive experience. Notes often mention content and device compatibility requirements for these features.