The S12 is a complete telephone headset solution for those looking for hands-free convenience with clean, uncluttered design.

S12 is the Duo Set with Firefly in-use indicator headset and a stylish Adaptor which connects to your telephone.

The Firefly in-use indicator headset is unique to Plantronics and features a bright LED that flashes when you are using the headset to make a telephone call.

It is prominently situated near the headset microphone to ensure your colleagues are aware that you are using the telephone.

The headset features two wearing styles, a conformable ear loop, and an adjustable headband, with a behind-the-head neckband as an optional extra.

• Convertible headset so you can choose your wearing style
• Firefly in use indicator lets others know you are on the telephone
• Noise-cancelling microphone allows your voice to be heard clearly
• Volume adjustment to control your listening comfort
• Mute button for privacy when conferring with colleagues
• Excellent call clarity
• Works with virtually any telephone