Thank you for viewing. ■ Manufacturer: audio-technica ■ Model Number: ATH-C505IS BLACK ■ Accessories: None ■ Condition: Works properly. Equipped with a large φ15mm driver for deep sound reproduction. Enjoy a sound with depth thanks to the large driver unique to the inner-ear type, which cannot be experienced with earplug types. Rich bass reproduction with a newly designed base dimension exciter. Built-in condenser microphone supports calls on smartphones. You can answer incoming calls even while enjoying music playback on your smartphone. Clear calls can be made with the built-in microphone.