In the case of many different groups of people. Ideal for offices, computer labs, libraries, hospitals, call centers, exhibitions, and museum kiosks, as well as for many places where individuals recycle and use headphones. Stretchable Earpad Covers Compatible headphones: - Compatible with Jabra UC VOICE 550 Mono, Pro 930 Duo, Pro 925, Pro 920 Mono, PRO 9465 Duo, PRO 9460 Duo headphone covers - Compatible with Jabra PRO 9450 Duo, GN9125 Mono, GN9125 Duo, GN2025 Duo, GN2020 Mono, GN2000 Duo headphone covers - Compatible with Jabra Evolve 20, Engage 75 Stereo, Engage 75 Mono, Engage 65 Stereo, Evolve 30,Evolve 40, Engage 65,Evolve 20 UC,Evolve2 85,Evolve2 65,Evolve2 40 MS Mono headphone covers - Compatible with Jabra Engage 50 Stereo, Engage 50 Mono, Engage 40, Biz 2400 II USB Duo, Biz 2300 Duo, Biz 1500 Mono headphone covers - Compatible with Jabra Biz 1500 Duo, BIZ 2400 USB MS Duo, BIZ 2400 II QD Mono, 80, 75, 65, 40 headphone covers - Compatible with Logitech Wired 3.5MM, H820E, H650E, H600R, H570E, H390R, H370, H340, H151R, H151 headphone covers - Compatible with Logitech H111, 960 headphone covers - Compatible with Plantronics T50, T20, T150, T110, T10, SP12, S12, Pulsar-590A, Practica SP11, M214i headphone covers - Compatible with Plantronics M214C, M210C, M175, HW301N, HW291N, HW261N, HW261, HW251N, HW251, HW121N headphone covers - Compatible with Plantronics HW111N, H91N, H91, H61N, H61, H51N, H51, H361N, H361, H351N, H261N headphone covers - Compatible with Plantronics H261, H251N, H251, H171N, H171, H141N, H141, H101N, H101, ENCOREPRO 510 headphone covers - Compatible with Sennheiser SDW 5013, SDW 5000, SD Pro 2, SC 75, SC 70, SC 665, SC 662, SC 660, SC 635 headphone covers And many other headphones