Brand Sony, Model MDRAS210AP/B Product Type: Earset, Connectivity Technology: Wired, Cable Length: 3.90 ft, Sound Mode: Stereo, Impedance: 16 Ohm, Minimum Frequency Response: 17 Hz, Maximum Frequency Response: 22 kHz, Connector Plating: Gold Plated, Earpiece Design: Over-the-ear, Earpiece Design: Earbud, Earpiece Type: Binaural, Driver Size: 0.50″, Microphone Design: On-cable, Host Interface: Mini-phone, Color: Black, Form Factor: In-ear, Weight (Approximate): 0.40 oz, Package Contents: AS210AP Sport In-ear Headphones, Clip, Limited Warranty: 90 Day,