'Motorola apx 6000 earpiece with G shape Design make it comfortable to use. Users hear transmission clearly and receive effectively. Motorola xpr 6550 earpiece with ptt Function: Has a remote microphone with push to talk button and built-in line mic microphone Flexible and lightweight ear band that curves and secure around the earlobe. Suit for Motorola MTP850 MOTOTRBO XPR6300 XPR6350 XPR6380 XPR6500 XPR7580 XPR7580e APX4000 APX6000 and so on. Excellent for use in FBI, Bodyguard, police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments.'