The COBRA ELECTRONICS PERFORMA SURVL HEADSET (CBR00100971) is a surveillance earpiece designed for discreet, clear communication in professional settings. The unit features an industry-standard M1 plug style, ensuring compatibility with Cobra Performa 400/450 2-Way Handheld Business Radios and select non-Cobra devices. Its transparent acoustic tube design allows for ultra-discreet wear, complementing formal business attire. Built for comfort during extended use, it supports up to 8 hours of continuous wear, making it suitable for long shifts. The headset includes an in-line PTT (Push-to-Talk) button and a VOX switch, offering flexible communication options. With an IP54 durability rating, it is designed to withstand daily professional use.