Resistance ranges from no rating up to sweat‑ and water‑resistant models with IP ratings. Many sport in‑ear earbuds advertise sweat/water resistance, while some on‑ear or wired models have no water‑resistance rating.
Common connection and charging types include 3.5mm audio for wired listening, Bluetooth for wireless pairing, USB‑C charging for many modern models, and wireless charging on some true wireless earbuds.
Options include active noise cancellation (ANC), Transparency or ambient modes that let in outside sound, and models without active noise control. Many true wireless and over‑ear models advertise ANC or adaptive noise control features.
Common stability features are multiple silicone or foam ear tip sizes, ear hooks or winged tips, magnetic or neck‑cable designs, cushioned ear pads and adjustable headbands for on‑ear models, and ergonomic shapes designed to stay put during movement.
Many gym‑oriented headphones include built‑in microphones for calls, on‑device playback and volume controls, hands‑free calling, and voice‑assistant support for quick commands while exercising.