Used a few times for a short period, in excellent condition. Bluetooth earphones employing bone conduction technology. Includes charging cable and storage case. - Model Name: OPENRUN PRO - Color: Pink - Connection Type: Bluetooth - Features: Bone conduction technology SHOKZ Wireless Bone Conduction Earphones OPENRUN PRO S810 Pink These wireless bone conduction earphones feature enhanced bass, up to approximately 10 hours of battery life, a quick-charge function, and Bluetooth 5.1 technology. They utilize proprietary bone conduction technology and an open-ear design that doesn't block the ear canal. Equipped with "Shokz TurboPitch Technology" developed for enhanced bass reproduction. The neckband-style titanium frame provides a stable fit. Features IP55 dust and water resistance to protect against dust and moisture.