Product Name : Electret Condenser miniphone;
Each Size : 4 x 2 mm / 0.16 inch x 0.078 inch (D x H)
Total Length : 20mm/0.78 inch
Main Color : Tone, Black, Green

Material: Plastic
Electret condenser miniphone, back electret type, small in size, in general use.
An acoustic-to- transducer or a sensor that converts sound into an al signal.
Widely applied to telephone, mobile phone, MP3, MP4, laptop, digital camera, intercom, monitor, etc.
Package Content : 30pcs x Electret Condenser miniphone

Only the above package content, other products are not included.
Note: and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.