Enjoy hassle-free mobility and hands-free conversation with your MX300 Retractable Mobile Headset from Plantronics®. The MX300 features an automatic cord winder for easy use and storage, plus patent-pending WindSmart™ technology with advanced wind noise reduction. The unique FlexGrip® design keeps your earpiece in place comfortably and securely. The wearable design easily attaches to clothing, bags and seatbelts.