Ergonomic Trackball Design Featuring a sculpted, ergonomic shape, this Bluetooth wireless trackball mouse reduces wrist and arm movement for all-day comfort in the office, at home, or on the go. Ideal for users who experience fatigue with traditional mice. Bluetooth Wireless Connectivity Stable Bluetooth connection ensures smooth, lag-free cursor control without the clutter of cables. Simply pair with your device and start working instantly-no additional receiver required in most modern devices. Comfortable Office Use Designed for extended work sessions, the mouse features a smooth trackball, responsive buttons, and a comfortable grip that supports a natural hand position. Perfect for office tasks, spreadsheets, design work, and everyday browsing. Portable & Space-Saving Compact and lightweight, this portable trackball mouse is easy to carry in your laptop bag or backpack. The stationary design requires minimal desk space, making it ideal for small workstations, travel, and mobile offices. Rechargeable via USB Charging Built-in rechargeable battery with convenient USB charging eliminates the need for constant battery replacements. Enjoy long-lasting use on a single charge and easily recharge from your laptop, power bank, or USB adapter. Color: Black Material: plastic Package Contents: 1*mouse 1*cable 1*adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.