TRIPROC 4-Pin RJ9 Hands-free Call Center Corded Monaural Telephone Headset with Noise Cancelling Microphone and Adapter Compatible with Plantronic，Avaya，Grandstream，Aastra，Jabra[Product Information]- 150ohms speaker， to ensure the perfect voice quality. Noise proof microphone， to increase the voice clarity.
- Compatible for the most telephones in call center:Plantronic，Grandsteam，Avaya，Nortel，Aastra，Jabra
- Application for Phone sales， Telephone Counseling Services， Insurance， Hospitals， Banks， Telecom operators， Enterprises.
- Comfortable wear， compact appearance， human engineering design， Can be uninterruptible using.The headset clip can be stretched freely and comfortable wear.
- Noise canceling microphone to reduce background noise and Acoustic Shock Protection circuit to protect your hearing.
