TECKNET Wireless Trackball Mouse, Ergonomic Mouse with Thumb Control, 3 Devices Connection (Bluetooth or 2.4G), USB-C Rechargeable, RGB Light Mice Adjustable DPI, for PC/Mac/Laptop-Black

【Ergonomic Trackball with Smooth Thumb Control】Control the cursor with your thumb instead of moving your wrist or arm, helping reduce repetitive strain during long hours of use. TECKNET wireless trackball mouse works smoothly on most surfaces and is ideal for small desks, tight workspaces, or even use on a sofa or bed. 【Connect & Switch Between 3 Devices】TECKNET Bluetooth mouse connects up to 3 devices via Bluetooth (BT1+BT2) and 2.4GHz USB, and switch instantly with one button. A stable, lag-free connection is ensured up to 34 feet, with seamless compatibility across PC, Mac, laptops, and tablets. NOTE: The 2.4G USB receiver is stored at the bottom of the trackball mouse. 【500mAh Rechargeable Mouse】TECKNET trackball wireless mouse features a built-in 500mAh rechargeable battery that supports long-lasting use without disposable batteries. Just 15 minutes of charging provides a full day of use. The detachable trackball design also makes cleaning simple, ensuring smooth tracking and consistent performance over time. 【16° Vertical Angle for Less Strain】Designed with a 16° vertical angle, TECKNET wireless ergonomic mouse helps improve forearm posture and reduces muscle strain. The natural hand position ensures your palm stays relaxed, providing all-day comfort, ideal for office workers and anyone who spends long hours at a computer. 【Precision Control with Adjustable DPI】Easily adjust cursor sensitivity with 5 DPI levels (100-200-400-800-1200) to suit different tasks such as browsing, spreadsheets, or detailed work. Responsive forward and back buttons help you navigate documents, spreadsheets, and web pages more efficiently, improving productivity during daily use.