1) Frequency Response: 20Hz-20 kHz
2) Speaker Impedance: 32Ω±15%
3) Speaker: diaphragm 6U, diameter 10mm
4) Output Power: 3mW
5) Sensitivity: 90-98dB
6) Cord Length: diameter 1.3m, 2.0MM
7) Jack: 3.5mm
8) PU, PVC, TPE green wire
9) Weight: 13g
10) Material: space environmental aluminum
11) Application: MP3, MP4, Cell phone, Computer, Game player