EARPHONE USING BRAND NAME: Works with standard, HYT, Yaesu, Alinco, Motorola and Adi transceivers and also fits radio speaker mics,and similar devices with 2.5mm connector. EARPHONE USING ENVIRONMENTS: Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments. Open Ear Insert Earmolds are designed for use on two-way radio acoustic tube type surveillance earpieces. Left Ear and Right Ear Medium Size Silicon Ear pier. 2.5mm Listen Only Acoustic Tube Earphone.
