Features: * Made of high quality material for durable use. * Lightweight design, can be used for a long time. * With smooth steel dangle earring, can be worn firmly even with glasses. *The small ear hooks can be well hidden in the hair, very light and comfortable to wear. * Omnidirectional capacitor cartridge, excellent effect for its sound return. * All metal surfaces are special treatment, beautiful in texturing. *Colours: beige. Technical parameters: Microphone diameter: Φ6.0 mm. Sensitivity: -45dB±3dB Frequency range: 100 Hz - 20 kHz. Output Impedance: 1KΩ±30% Standard Operating Voltage: DC 2.0V-10V SNR: ≥95dB Wire: approx. 1.2m Package includes: 1 x Microphone