Logitech trackball mouse with ergonomic design, USB connection, and trackball for comfortable operation. - Brand: Logitech - Connection Type: USB connection - Included Items: Cable - Design: Ergonomic design - Features: Trackball equipped Thank you for viewing. [Amazon.co.jp Limited Edition] Logitech Wireless Trackball MX ERGO MXTB1d Bluetooth Unifying Wireless 8-button High-speed rechargeable windows mac iPad OS Chrome Mouse Domestic genuine product Logicool Logitech MX ERGO MXTB2d/MXTB1s bluetooth wireless trackball MXTB2 MX ERGO S Convenient hard case bag dedicated travel storage compatible co2CREA (Size L) Size L Purchased in July 2023, but I haven't used it much. Please ask if you have any questions. Thank you.