Specification: Model: DTS Color: Black/Silver (optional) Optional: With mic/without mic (optional) Frequency response range: 20-20000Hz Sensitivity: 117dB Impedance: 32 Ω Unit type: 14.2mm LCD diaphragm dynamic coil unit Chamber material: zinc alloy Pin type: 0.75mm 2Pin Plug type: 3.5mm metal plug Core type: oxygen free copper core Wire size: 1.25m ± 0.05m Packaging size: 110 * 75 * 35mm/4.33 * 2.95 * 1.38in Gross weight: 67g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 2 x Earphones 2 Pairs x Earplug Cotton 1 x Instruction Manual 1. High-Quality Sound: The headphones feature a large 14.2mm dynamic driver and a liquid polymer diaphragm for excellent sound quality. 2. Detachable Cable Design: The 0.75mm dual-pin design allows for easy cable replacement and flexibility, while the proprietary locking mechanism ensures a secure connection. 3. Ergonomic Design: The earbuds are designed with ergonomics in mind, ensuring comfort during extended use. They also come with noise-isolating memory foam ear tips to reduce external noise interference and enhance audio quality. 4. High-Quality Material: The earphone cables are made of oxygen-free copper wire, which reduces signal loss during transmission and improves audio resolution.