Thank you for viewing! This is an ergonomic Bluetooth trackball mouse. Product Description: - Type: Trackball - Connectivity: Bluetooth - Design: Ergonomic - Color: Black - Included Cable: USB cable Details on the product's size and features can be found on the official website: https://www.sanwa.co.jp/product/syohin?code=MA-BTTB186BK Suggested Retail Price: ¥12,100 Condition: Used 2-3 times, with no noticeable stains or damage. While I don't see any issues to report, please understand that this item has been stored at home. Please refrain from purchasing if you are concerned about minor details. Purchased approximately six months ago. Selling because I bought a new mouse. This item is also listed on other sites, so it may no longer be available. Thank you for your understanding. Please only consider purchasing if you are able to commit to the sale and understand that the size and condition are approximate due to it being a used item. #SanwaSupply #Mouse #Black