Sony MDR-EX650 Earphones I have used these a few times and then stored them. I have confirmed that sound can be heard from the ears and that the microphone input works. The removable earphone pads have been replaced with new ones I had at home. Accessories: Case Please understand that these are used items. ☆ Product Description Brass is used for the housing and sound conduit, resulting in vivid sound. Small, highly sensitive, independently developed 12mm driver unit Beat Response Control Comfortable and secure fit Tangle-resistant serration code High-quality design that makes the most of the texture of brass Convenient for carrying with a cord length adjuster and carrying pouch : Canal type MDR-EX650 Brand: Sony Color: Brass Brown Headphone type: In-ear Headphone jack: 3.5mm jack Model name: MDR EX650 Type: Sealed dynamic type Driver unit: 12mm dome type (CCAW) Sensitivity: 107dB/mW Magnet: Neodymium Playback frequency band: 5-28000Hz Impedance: 16 Ω (1KHz) Maximum input: 100mW (IEC) Cord length: Approximately 1.2 m OFC litz wire Cord type: Y-type Input plug: Gold-plated L-shaped stereo mini plug