HS03 Headworn Microphone has been selling on Amazon.

1. Lightweight condenser headset microphone with 2 × ear hooks
2. Changeable design for Left / right
3. Adjustable size
4. Comfortable ear hanger
5. Pahs-free material
6. Flat frequency response
7. Patent in Europe and USA
8. Audio System mini plug
9. Cable Lengh 120cm

• Polar pattem: Omnidirectional
• Mic diameter: 4.0*10mm
• Sensitivity: - 47db±3db
• Frequency Range: 20-20KHZ
• Output Impedance: 1500ohms ± 30%
• Standard Operation Voltage: 1.0V-10V.DC
• Maximum SPL: 115dB @1KHz
• SNR: >58db
• 1pcs of windscreens
• Dimensions: Unit : D5 x 6mm ; Cable : D1.3mm x 1.2 m
• Net weight: 20g