Features:
OOTDTY  
brand new and high quality
3.5mm 2.5mm standard plug, plug and play.
length cable long distance transmission.
New revamped design gives you better quality sound during transmission.
Microphone can be picked up from the clip for the best sound effect.
Adopting electret condenser cartridge with high sensitivity , low impedance , anti-noise and jamming capability.
Microphone can be glued with sticker to the wall, glass, car, door, etc.
With fast and accurate data transmission, the voice clearly and stably under kinds driving occasions.
Highly improved the speech quality of hand car communication system.
Adopting humanity design with shape fixing clip , is more easy to install and reliable to use.

Specifications:
Frequency response: 20Hz-16KHz
Impedance: 2.2K Ω
to noise ratio: ≥ 58DB
Current consumption: ＜ 500uA
Mic size: Ø 9.7X6.7mm
Sensitivity: 32dB ± 3dB (0dB=1Pa)
Directionality: omnidirectional
Plug: 3.5mm,2.5mm(optional)
Channel: 2-pole mono
Wire diameter: 2.5mm/2 shielded wire
Wire length: approx.

Package Includes:
1 Car External Microphone Mic
1 Shape Fixing Clip
1 Sticker

Note:
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!