1. Plug: 3.5mm
2. Frequency response range: 20-20000Hz
3. Impedance: 32 ohms
4. Sensitivity: 98dB
5. Earplugs/earmuffs material: silicone/aluminum alloy
6. Headphone cable material: environmentally friendly TPE
7. Horn diameter: about 14.2mm
8. Wire length: about 1.2m
9. Weight: about 20g

Features:
1. Exquisite and compact, bright and glossy, metallic matte texture
2. 45-degree oblique angle into the ear, soft fit to the ear canal, comfortable to wear, not easy to slip off, and effectively reduce external noise
3. 3.5mm metal connector, widely compatible, supports computers, tablets, mobile phones, MP3, etc., and is compatible with various APPs
4. The rear swirl pressure in the back cavity strengthens the low frequency power and effectively enhances the medium and low distribution density of the earphone
5. TPE wire, thin and tough, not easy to break
6. Brass metal unit support structure is used inside to reduce unnecessary vibration of the diaphragm and make the sound performance more stable
7. Wire-controlled operation, convenient and simple