Sony MDR-EX15APBZE compact and lightweight headphone It is a small headphones, compact, waterproof, light, simple design Made from good quality materials Comes with a 9 mm driver unit for clear sound and a solid sound base. Use to listen to music enjoyment with a good silicone earbud. Wearing does not hurt and adds a firm fit to the ears. It supports a wide variety of devices, whether it is a Walkman, iPod, or MP3 player, allowing music lovers to enjoy the music to the fullest.