Advanced G Shape Earpiece Headset for Hytera TC980 TC780 TC780M TC610P TC380M TC370M Radio G Shape Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Hytera TC980 TC780 TC780M TC610P TC380M TC370M Radio Security Door Supervisor. The earpiece and PTT using better materials and components, allows longer time use. Provides excellent durability, reliability and performance in low-profile environment. Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments. Compatible with Hytera Radio: TC1688/TC-1688, TC310/TC-310, TC320/TC-320.