Features: OOTDTY   Electric condenser microphone, small in size. Size:Approx.6x5mm/0.24x0.2in Sensitivity:55-58dB Omnidirectional Pickup Frequency Range:50-20KHz Specifications: Material:Metal Model:6050 Size:Approx.6x5mm/0.24x0.2in Sensitivity:55-58dB Operation Voltage Range:1.5-10V Omnidirectional Pickup Frequency Range:50-20KHz Package Includes: 100 x Electret Condenser Microphones Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.