This is the Shokz bone conduction wireless earphone "OpenRun Pro" model S810. With an open-ear design that doesn't block your ears, you can use it while checking the sounds around you, even when running or commuting. 【Condition】 ・Sound output confirmed ・Please forgive slight scratches, etc., as this is a used item. ・Generally in good condition 【Specifications】 ・Manufacturer: Shokz ・Product Name: OpenRun Pro ・Model Number: S810 ・Connection Method: Bluetooth ・Input: 5V＝300mA ・Charging: Dedicated magnetic charging terminal ・Features: Bone conduction / Open-ear / Lightweight design for sports 【Included Items】 ・Main unit only (Charging cable etc. are not included) Please understand that there may be minor scratches and dirt due to the used condition. All included items are shown in the images.