Mice & Trackballs 6D Bluetooth 2.4G Wirele Optical Vertical Mouse,6 Keys Ergonomic 3 Adjustable DPI Office game Mouse for Laptop, PC, Tablet Light Ergonomic DesignUpgraded matte surface & unique ergonomic curve design, profeional non-slip stripes on the side, which closely fits the palm surface, making it more gripping and suitable for reducing fatigue from long-term use. Good choice for office ,gaming, and working Lag-Free &Stable CursorBluetooth+2.4GHz wirele technology, provides strong anti-interference ability, with more stable cursor, solve the problems of mouse failure, delay, and interference. Ensure when using more accurate positioning and fast data transmiion . The transmiion distance can reach 33 ft/10 meters. Excellent wirele mouse for home and office and you can enjoy it Dual-mode Power SavingThe computer mouse with long battery life, comes with an intelligent automatic sleep mode and a physical switch dual power-saving mode, which can greatly extend the battery life. If not used for 10 minutes, it will enter the automatic sleep state to save power. then Click the mouse to run again. 3 Level Free Adjustable DPI3 Levels: 800, 1200, 1600 DPI, you can freely adjust the cursor sensitivity according to your activities. DPI 800/1200 can be used for daily office. DPI 1600 has higher sensitivity and is greatly suitable for games. Universal CompatibilityThe wirele optical mouse work perfectly for Windows 2000/2003/ XP/Vista, Win 7/8/10, Mac OS 10 or later. The Great mouse is suitable for various activities, eg: home, office, travel, etc. Quality Aurance: To provide you with high-quality after-sales service, Powered by 1*AA battery (not included)