The ICOM SP-40 mono earphone has a 39-inch wire that ends with a 2 conductor 1/8" (3.5mm) plug. The earphone comes with a removable soft earbud.

A replacement earbud of the same size is included. Additionally, a smaller earbud is also included.

This is for the ICOM IC-Sat100

https://www.satmodo.com/product/icoms-ic-sat100-land-mobile-radio-lmr/

More Information
SKU ICOM-SP-40
Use physical product data No
Item Returns This item can be returned
ICOM Handheld Earphones SP-40
ICOM Handheld Earphones SP-40
$24.99