Plantronics S11 Over-the-head Headset w/ Amplifier PL-S11

• Plantronics over-the-head headset with an amplifier
• Connects to a single or multi-line telephone
• Over-the-head headset
• Noise-canceling microphone reduces background noise
• Silver and gray with red accents
• Not compatible with phones that feature the keypad in the handset or cordless phones
• Requires a telephone with an RJ-11 jack (not a 2.5mm plug) (amplifier plugs into the handset jack on the phone)
• Replacement for the PL-S10
• Amplifier base
• Headset
• AC adapter
• Manual