Feature:1. Emphasis on vocals and auditory atmosphere: This earphone performs excellently in popular vocals, R\u0026B, super heavy bass, heavy metal, DJ, stage reverb, etc., with full low frequency and pleasant high frequency.2. Composite titanium-plated metal diaphragm: Unique technology creates surging low frequency, interprets surging high-fidelity tri-band, and enjoys the charm of deep and moving lingering.3. Optimized magnetic circuit system: Smaller thrust, faster drive, higher power, stronger comprehensive performance, enhanced magnetic field strength, increased low-frequency power, increased response audio frequency range, brought a large dynamic range of low-frequency performance.4. Semi-open back cavity design: It can quickly release internal sound pressure, reduce standing waves and distortion, make the sound clean and noise-free, balance the three frequencies cleanly, and achieve a comfortable and durable listening effect.5. Improved dual-pin connection design: The wrapped 2-pin plug can easily reduce the looseness of the in-ear headphones, support replaceable upgraded wiring, and release more wonderfully.6. Physical noise reduction: It can reduce noise interference and is comfortable to wear.7. Wide compatibility: Suitable for all devices with a 3.5mm interface, such as computers, mobile phones, tablets, TVs, game consoles, etc.Specification:Features:Emphasis on vocals and auditory atmosphere: This earphone performs excellently in popular vocals, R&B, super heavy bass, heavy metal, DJ, stage reverb, etc., with full low frequency and pleasant high frequency.Composite titanium-plated metal diaphragm: Unique technology creates surging low frequency, interprets surging high-fidelity tri-band, and enjoys the charm of deep and moving lingering.Optimized magnetic circuit system: Smaller thrust, faster drive, higher power, stronger comprehensive performance, enhanced magnetic field strength, increased low-frequency power, increased response audio frequency range, brought a large dynamic range of low-frequency performance.Semi-open back cavity design: It can quickly release internal sound pressure, reduce standing waves and distortion, make the sound clean and noise-free, balance the three frequencies cleanly, and achieve a comfortable and durable listening effect.Improved dual-pin connection design: The wrapped 2-pin plug can easily reduce the looseness of the in-ear headphones, support replaceable upgraded wiring, and release more wonderfully.Physical noise reduction: It can reduce noise interference and is comfortable to wear.Wide compatibility: Suitable for all devices with a 3.5mm interface, such as computers, mobile phones, tablets, TVs, game consoles, etc.Specification:Optional modes: Standard version Black; Mic version BlackFrequency: 20Hz- 20kHzImpedance: 22±10%Drive unit: 10mm dynamic coilInterface type: 3.5mmg Sensitivity: 115dB±3dBWire material: Silver plated double lineCable Length: 120cm+5cm Package size: 90*70*40mmPackage weight: 50gPackage list:1* Earphone3* Pairs of EarmuffsPackage List:1* Earphone3* Pairs of Earmuffs