Headset MONO 3.5mm Hands-free Earphone Single Earbud Headphone Earpiece w Mic Wired [Black]. Free yourself up to write emails or take notes during phone calls with a mono headset. The headset is an indispensable tool for multi-tasking. It's lightweight and comfortable, and comes complete with a miniature clip to keep the cord safely out of the way. The headset provides exceptional sound quality that cuts through background noise, so you'll always hear and be heard, even when you're outdoors, in your office, or at the airport. Convenient and easy-to-use control button for you to answer or end phone calls. NOTE: This is a MONO headset with just one earpiece. Comes in Bulk Packaging (Non-Retail Package).