ITEM NAME:Mini Clip-on Lapel Microphone Hands-free 3.5mm Condenser Wired Microphone #JT1 Product Description Description: Features: High sensitivity, high dynamic, wide frequency response. Rotary clip allows you to easily clip it to your collar, tie or pocket. A foam cap protects your mic from wind noise and spit. Great for audio, video recording and hands-free mic speaking. Specification: Mic Size: approx. 6 X 5 mm/0.24 X 0.2 in Sensitivity: -52dB ±3dB Directivity: Single Direction Impedance: ≠¤2.2kohm Work Voltage: 2.0V Frequency Range: 100-16kHz SNR: >60dB Plug Type: 3.5mm Wire Length: approx. 1.18 m/3.87 ft Included: 1 X Microphone.Rotary clip allows you to easily clip it to your collar, tie or pocket. Included:1 X Microphone. Plug Type: 3.5mm. Directivity: Single Direction. If item is defective after 3 months, you can still send it back to us.