Shokz OpenRun model S810 wireless bone conduction earphones, blue. This is a popular model that is lightweight and comfortable to wear, allowing you to enjoy music and calls without blocking your ears. Recommended for running, commuting to work or school, etc. 【Condition】 ・Operation confirmed (Bluetooth connection and sound output OK) ・Overall clean appearance (minor scratches present) ・Charging terminal and buttons also confirmed to be working properly 【Specifications】 ・Model number: S810 (OpenRun) ・Connection method: Bluetooth 5.1 ・Waterproof performance: IP67 ・Charging time: Approximately 1.5 hours ・Continuous playback time: Approximately 8 hours ・Input: 5V 300mA ・Weight: Approximately 26g 【Included items】 ・Main unit only (charging cable etc. not included) Please understand that there may be minor scratches and stains due to the item being used. All included items are shown in the images.