[Ergonomic Design] This portable Bluetooth mouse features a scientific ergonomic design to reduce muscle strain and wrist pain. The vertical mouse fits your palm, keeping your hands and arms in a more comfortable position. [Stable 2.4G Wireless Connection] The wireless mouse uses a 2.4G wireless connection, which is more stable than Bluetooth. Connect the USB receiver (located on the back of the mouse) and use it. It offers a reliable transmission distance of up to 10 meters, providing stable connection support for work and entertainment. [Silent Mouse] The wireless mouse utilizes silent buttons. The smooth matte surface and quiet clicks provide a better user experience, allowing you to work without disturbing others and stay focused. [Easy to Use] Plug and play. The receiver is stored in the mouse's battery compartment. Remove it and insert it into your device's port. No additional drivers or software are needed to enhance work efficiency and meet office needs. [Adjustable 3 DPI Mouse] The wireless office mouse allows you to switch between 800-1200-1600 DPI levels. Adjusting the DPI increases the cursor movement distance on the screen, improving work efficiency and meeting office usage requirements.