This Plantronics MX150 headset with noise cancellation and built-in microphone is a great addition to your communication tools. The ear-hook design provides comfort and stability, while the 6ft cable length allows for freedom of movement. The headset is in black and comes in OEM bulk packaging. It is compatible with devices that have a 2.5mm jack and manufactured in Mexico. This unit is a single earpiece and comes with only one headset. The model number is MX150 and the brand is Plantronics. The headset is perfect for hands-free communication and can be used for both personal and professional purposes.