Thank you for viewing. High-resolution silver earphones for high-quality sound. - Brand: CYBERDRIVE - Model Name: HI-RES EARPHONE - Color: Silver - Frequency Response: 5 - 40,000 Hz - Impedance: 16Ω ± 15% (1kHz) - Sensitivity: 102 ± 3dB (1kHz) - Rebalance: 300Hz: 2.0 ± 3dB - Microphone: Built-in microphone - Metal Housing: Metal housing - Design: DESIGNED IN USA [Product Condition] Although this item is unopened, it is still a used item, so we cannot guarantee any minor damage not mentioned in the description. Please understand this before purchasing. *Please check the images for detailed condition. Stored in a room without smoking or pets. [Regarding Shipping] We will ship via free, anonymous delivery. [Notes] Please refrain from purchasing if you are nervous about the condition. We cannot accept claims after purchase. Please purchase only if you understand the above. [Other] Managed in an environment without smokers or pets. Product photos are taken under white lights, regardless of day or night.