Plantronics SP11 Monaural Headset + S12 Headset Amplifier System offers convenience and comfort. Includes an over-the-head stability for convenience, a noise-canceling microphone for superior sound clarity. Operates on AC power (included). Amplifier features mute and volume control. Connects to most single-and multi-line corded telephones. For the small office and home office, the Plantronics S12 amplifier is stylishly designed for easy use with a choice of headset wearing styles. The headset can be worn over the head for stability for convenience. Important Note: Plantronics SP11 Monaural Noise-Canceling Headset + S12 Amplifier System does NOT have a quick disconnect cable and it is NOT a wireless headset. Plantronics SP11 Monaural Noise-Canceling Headset + S12 Headset Amplifier System o.
