Many listings include a carabiner clip or keyring—often described as detachable and anti‑rust—so you can hook the case to a bag, belt loop, or keys for easier carrying.
Some cases include extras such as a retractable cleaning pen with dual nylon brushes and a flocking sponge for cleaning hard‑to‑reach areas, in addition to carabiners or keyrings.
Styles range from crystal‑clear transparent TPU covers that preserve the earbuds' original look to playful silicone designs (for example, retro game‑console themes with 3D elements) and simple textured or sleek finishes.
Most cases are molded for a precise fit and provide cutouts or tactile access so you can use the charging port, pairing button, and LED indicator without removing the cover.
Warranty terms vary by listing: many show a "1 Year Limited Warranty," while at least one lists a "30 Day Limited Warranty." Review the individual product page to confirm the exact warranty offered.