Spracht ZUMRJ9M Headset - Mono - RJ-9 - Wired - Over-the-head - Monaural

Compatible with many different phones using RJ-9 headset port Broadband audio frequency keeps your voice sounding natural Rotating boom allows you to position mic on either ear Foam ear cushion offers comfortable fit through entire day Noise-canceling mic filters 90% of background noise for clear conversations