KBEAR Wired Earphones, White, Noise Canceling Brand: KBEAR Model Number: KS1 Driver Configuration: 1DD Impedance: 16Ω Sensitivity: 109dB Frequency Response: 20Hz-20,000Hz Cable Connector: 2pin (0.78mm) TFZ type *Condition: "Like New" - I listened to them once to write a review. The included ear tips are unused, so they are brand new. The earphones are in like-new condition, function without any problems, and will be carefully packaged and shipped immediately. *Description from the manufacturer's website (excerpt) [10mm Polymer PET Diaphragm] The KBEAR KS1 features advanced dual magnetic circuit and dual cavity DD earphones from China. It achieves good toughness, rigidity, fatigue resistance, fast response speed, rich sound details, clear and delicate texture, and fine and accurate restoration of details and phases. ------- Please note: I will not respond to the standard comment "Excuse me, I'm considering purchasing this. If you're willing to lower the price, how much would you be willing to lower it?" Please state your desired price and keep it within a reasonable range. Thank you for your cooperation.