1. Plug: 3.5mm
2. Frequency response range: 50-20000Hz
3. Impedance: 32 ohms
4. Sensitivity: 92dB
5. Earplugs/earmuffs material: environmentally friendly silicone/metal
6. Headphone cable material: environmentally friendly TPE
7. Horn diameter: about 10mm
8. Wire length: about 1.2m
9. Weight: about 15g

Features:
1. Microphone call answering function, one-key playback pause, double-click to play the next song, three-click to play the previous song
2. Copper ring 6U speakers, shocking bass and different listening enjoyment
3. All-metal shell design, sturdy and resistant to friction, hard and scratch-resistant, and more sensitive to audio conduction
4. Soft earplugs and hanging ears fit perfectly, comfortable to wear
5. Soft TPE wire, effectively prevent auscultation effect, thermoplastic elastomer, good sound quality, prevent wire entanglement
6. Ecological composite diaphragm sound restoration, comfortable sound effect
7. Built-in high-definition microphone, noise reduction processing, reduce the large-scale vibration interference of sound waves
8. Equipped with BASS subwoofer, 40mm speaker driver unit
9. The use of aviation aluminum, laser engraving process personality 4-pole plug, effectively prevent oxidation