Speaker Dimension: Ф40mm
Impedance: 32Ω
Sensitivity: 105dB S.P.L.at 1KHz
Frequency Response:20Hz-20,000Hz
Rated Power:15mW  
Power Capability:150mW 
Cable Length: 2.4±0.15M
Plug Type: Ф3.5 Stereo
MICROPHONE SECTION
Microphone Unit: Ф6*5mm
Microphonet Directivity: Omnidirectional
Sensitivity: -58±3dB
Impedance: 2.2kohm
Frequency Response: 30Hz-16,000Hz
Standard Operating voltage: 3V
Feature：
1. With headset design, they are made of light and high-rigid material;
2. The plastic microphone is designed with background noise cancellation;
3. The high-fidelity neodymium magnet speakers provide the music of high quality..
4. The firm and durable unilateral wire design avoids tangling;