Feature：
1. The body is made of light and high-rigid material
2. Portable head band design for microphone with plasticity, is adjustable at will
3. The device of volume control by wire has silver polymer injection
4. Horn of high fidelity provides clear and penetrating tone quality
5. Unilateral wire design prevents tangling
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