Product Features Maximum compatible headphones dimensions (case inside): 7 X 6 X 2 inches (17.5 X 15.5 X 5 cm ). Compatible with many wired / wireless headphones. Engineered ultra-hard shell protects against drops, impacts or crushes. Soft inner maximize headphones protective in the case. Internal mesh pocket conveniently stores cables, cords, chargers, AMP, earpads, adapters and other accessories. Compatible with Plantronics BackBeatFIT500, BackBeat500 case. A good replacement or upgrade of the original headphones case. If the case doesn't fit or break within one year, Geekria will replace or refund. No question asked. Product DescriptionProtect your over ear or on-ear headphones with a hard shell headphone case from Geekria! Compatible Headphones Models (not limited to): - Compatible with Plantronics BackBeat FIT 500, BackBeat 500 case And many other headphones. Note: - Headphones carrying case only, headphone is not included.