【USB C Connectivity】Equipped with a USB Type C earphone jack, this headset, with a 50-inch cord, is designed for V4 Plus and V6Pro soccer football referee intercoms, offering compatibility and convenience beyond mobile phones. 【Referee Radio Earpiece】Single-ear headphone with a robust microphone, tailored for V4 Plus and V6Pro soccer football referee intercoms, ensuring effective communication on the field. 【Smart Referee Setup】In a world where hygiene matters, having additional headsets allows for easy rotation and personal use, addressing concerns about shared equipment. A practical setup in case of breakage. 【Clear & Stable Audio】Enhanced noise reduction technology ensures clear and stable sound quality, even in the midst of a bustling stadium, providing referees with reliable communication tools. 【Portable Package】Lightweight and easy to carry, the package includes a referee headset with an ear hook, perfect for soccer referee communication. You'll receive 1 right-ear USB C earphone for a complete and efficient setup.