Welcome to our shop! 1. This left-handed vertical mouse is designed with 3 DPI adjustable settings. It can easily switch between 800, 1200, and 1600 DPI, providing faster response, smoother tracking, and higher accuracy movement. The mouse uses a high-quality optical engine for optimal performance. 2. The mouse is rechargeable and comes with a built-in 110mAh lithium battery. You can conveniently charge the mouse using the included USB cable, eliminating the need for battery replacements. With a full charge of 3 hours, the wireless mouse can be used for approximately 30 days. 3. The ergonomic design of the vertical mouse allows you to maintain a natural and comfortable hand position, reducing wrist pain caused by prolonged use. It is specifically designed for left-handed users and is perfect for offices and home offices. 4. This mouse is compatible with PCs, laptops, and all devices with a USB connection. It is a plug and play device, which means no additional drivers are required for installation. 5. The wireless mouse is built to last, with a durable design that supports up to 50 million clicks. It features an elegant rubber matte finish that not only provides a premium feel but also offers a good grip while preventing fingerprints and smudges. Item Type: Left Hand Vertical Mouse Material: ABS Battery Type: Built-in 110mAh Lithium Battery (Ships with Inbuilt Battery) Use Distance: >15M Transmit Power: +5db Maximum Sensitivity: 800, 1200, 1600 DPI Adjustable in Three Levels System Requirements: For Windows 2000, XP, Vista, CE, Win 7, Win 10, Linux, Android Package includes: 1 x Mouse 1 x Charging Cable 1 x Adapter 1 x User Manual 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.