1. Plug: 3.5mm
2. Frequency response range: 20-20000Hz
3. Impedance: 32 ohms
4. Sensitivity: 98dB
5. Earplugs/earmuffs material: plastic/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. Semi-in-ear design, fit the ear canal, comfortable to wear, not easy to slip off
2. 4-core shocking stereo effect
3. The sound unit consists of a 14.2mm moving coil
4. Expand the high frequency range, stabilize the low frequency effect, and output the music details better
5. Intelligent remote control operation, convenient and simple
6. Use oxygen-free copper core to reduce impedance and transmit lossless sound quality
7. 3.5mm plug, widely compatible and easy to use