under the Bezeichnungn "in-ear" I know the small "buttons" made of silicone, which come into the ear opening. It's here - in spite description - not the case. I travel a lot and use the headset mostly in the car. Especially on long journeys it is sometime unpleasant on the ear because it is "seated". For the provided case I can only say thank you - Finally a manufacturer has even thought about the hygienic stowage of such small accessories. Sound quality: good - from both sides Standby time: SUPER! Although I it out of use ever fully constituting