Features: Ensuring smooth function in office, home, or outdoor configuration to improve productivity and efficiency with this mobile navigation key trackball device. This multidirectional trackball device provides full omnidirectional navigation, developed for extended use without wear. Users can select slow or fast approaches to improve operations per moment, increasing daily convenience and responsiveness.. Lightweight and portable, EVQWJN007 incorporates a slip proof design and comfortable texture materials for comfortable clicking, reducing finger fatigue during prolonged use. Constructed with high strength plastic and metal components, this trackball device provides superior wear resistance and shock resistance, extending durability by over 50%. Perfect for multitasking in busy offices, home entertainment, gaming, or professional circumstances, EVQWJN007 delivers precise control and quick reactions, making it ideal for users needing efficient mobile navigation key functionality.. Specifications: Component:Metal+Plastic Size:Approx.2x1cm/0.79x0.39inch Model: EVQWJN007 Package Includes: 1Pc Track Ball note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.