Feature：
1. In-ear design and the color matching of silver-grey and black make it an elegant, unique and faddish device
2. High-sensitivity speaker provides clear and penetrating tone quality
3. High-quality silicon ear cap is pliable, flexible, fixative and comfortable
4. Soft wire has a length adjusting buckle to adjust a suitable wire length and prevent tangling

Speaker Dimension: Ф10mm
Impedance: 16Ω
Sensitivity: 100dB S.P.L.at 1KHz
Frequency Response:20Hz-20,000Hz
Rated Power:3mW  
Power Capability:30mW 
Cable Length:1.2±0.15M
Plug Type: Ф3.5 Stereo