Features: 3.5mm wired earphone plug and play ear hook design reduces the burden of the ear can ensure long-term wear comfort. 1BA+1DD drive with strong dynamic bass and high sensitivity treble. The combination of metal and resin durable exquisite appearance design metal texture and fashionable streamline aesthetics coexist. It adopts 4 strands of 100 core high-quality silver plated wire and double 0.75mm gold-plated pins. The detachable replacement cable is soft smooth and durable without . 3.5mm gold-plated plug can oxidation and reduce signal loss provide better audio transmission suitable for almost all 3.5mm audio equipment. Specifications: Brand Name: ZSN PRO X Type: In-ear Earphone Earphone type: In-ear Impedance: 25Ω Earphone sensitivity: 112dBmW Frequency : 7-40000Hz Cable Length: 1.25m±5cm Color: BlackGold(Optional) Earphone interface: 0.75mm Whether with mic: Can choose Driver unit: 10mm 1DD+30095 1BA driver unit Package Size: 10 * 7 * 3cm / 3.9 * 2.8 * 1.2in Package Weight: 80g / 2.8oz Package List: 1 * ZSN PRO X Wired Headphones 1 * User Manual 3 * Pairs of Earmuffs (SML)