Product Details
 Poly Spare CS540 Headset - Mono - Wireless - DECT 6.0 - Earbud, On-ear - Monaural - In-ear
 Features
 - Great for Audio/Visual Labs, Assisted Listening Systems and more that have a Mono jack for non-stereo use
 - Go wireless and enjoy the music you love with the Spare CS540 headset
 - In-ear earphones for comfortable listening
 - DECT 6.0 frequency band transmits your voice over numerous channels and gives transcendent voice and sound quality
 - Hear music from your favorite musicians with these earbuds design headset
 - Boom microphone design ensures maximum comfort and easy, hassle-free talking
 - Provides exceptional quality sound with greater immersion