Thank you for viewing. ELECOM Bluetooth trackball mouse, featuring 5 buttons for comfortable operation. - Brand: ELECOM - Model: M-HT1DRBK - Connection: Bluetooth - Trackball Type: Bearing model - Number of buttons: 5 - Thumb operation: Yes - Maximum communication distance: 36m [Product Condition] Although unused, this is a used item, so we cannot guarantee any minor damage not mentioned in the description. Please understand this before purchasing. *Please check the images for detailed condition. Stored in a room without smoking or pets. [Shipping] We will ship via free, anonymous delivery. [Notes] Please refrain from purchasing if you are nervous about the condition. We cannot accept claims after purchase. Please purchase only if you understand the above. [Other] Managed in an environment without smokers or pets. Product photos are taken under white lighting, regardless of day or night.