Used only a few times for a short period of time, in excellent condition. Retail price: ¥23,880. Bluetooth earphones using bone conduction technology. Includes charging cable and storage case. - Model name: OPENRUN PRO - Color: Pink - Connection method: 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, fast charging, and Bluetooth 5.1 technology. They employ 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. They also feature IP55 dust and water resistance.