Sony MDR-AS410AP In-Ear Stereo Sports Headphones with Microphone. Gray Version.

Features:
- Fits securely and directs music into your ears for full, uninterrupted audio.
- Provides protection from sweat and water, so you can easily wear headphones while working out.
- 9mm drivers deliver powerful sound.
- 5Hz - 24kHz headphones frequency response
Model Number: MDR-AS410AP