High-quality sound and a simple design characterize these open-type inner ear headphones. - Brand: QUALism - Design: Simple design - Type: Open-type inner ear headphones - Compatibility: Compatible with iPhone/smartphones - Sound Quality: High-quality sound - Controls: With volume adjustment button - Color: White - Package: Comes in original packaging Originally purchased for around 5500 yen. Used only once. I'm selling them because I won't be using them anymore. There are also spare ear tips, so you can replace them if you're concerned about the ones that were used. Please rest assured. Thank you for looking. I will ship within 1-2 days.