1. Adopt semi-in-ear design, comfortable to wear
2. High, medium and low tri-frequency equalization, the sound quality is delicate and rich
3. Multifunctional in-line control design, one key to switch calls and music
4. Built-in microphone for clear call experience
5. 3.5mm interface, compatible with more mainstream devices
6. Frequency response range: 20Hz-20000Hz
7. Rated impedance: 32 ohms
8. Line length: about 1.25m