Convenient & Comfortable: Your Secret to Effortless Chatter - WVPH4 Upgrade to in-ear speakers，Uses Left ear and right ear-hook eardrum,Press to the call option, VOX mode can directly voice call, PTT mode needs to hold down the call button to call! Slip on these bad boys and let the talking begin. Comfort? Check! They're so light you'll forget you're even wearing them! Perfect for those marathon chitchat sessions.Works great for all you need,hunting，in the Restaurant, down on the Farm. Compatibility- The AVPH3s AVPPH4 work with all Gxt, Lxt & G-Series Models. Compatible with all GXT, LXT and G-series:Midland models:G-225,G-226,G-227,G-300,G-300M,GXT325,GXT400,GXT450,GXT500,GXT1000,GXT1050,LXT210,LXT216,LXT322,LXT323,LXT80,LXT110. · The newly designed in-ear earplugs and earhooks will be more comfortable than sponge earplugs and less likely to fall off during movement， In-ear speakers,Silicone Earplugs lapel clip and an inline VOX PTT switch。