This E-30 earhook earpiece is a LOK Style Earpiece which is used with Two and Single Wire Surveillance Earpiece's. The E-30 features Female Snap Lok, C shape earpiece with Replaceable Fit Eartip, Can be worn on either ear and easily snaps into the main single or two wire kit.
The E-30/LOK is only the earpiece and requires the additional of the following wire kits- M-27AC/LOK 2 Pin w/Screws wire kit or M-27C/LOK 2 Pin w/Screws wire kit.