Logitech MX Vertical 4000DPI USB-C Type-C + Unifying + Bluetooth Three-mode Ergonomic Wireless Vertical Optical Mouse (Black) 1. Logitech Flow technology allows you to control multiple computers smoothly. 2. Logitech Options software customizes buttons, sets specific application features, and adjusts DPI speed (optional). 3. 4000DPI high-precision sensor with one-button control. 4. Precision rollers bring greater productivity. 5. Use the USB-CType-C charging cable for charging. It can provide up to 4 months of use time when fully charged. 6. USB-CType-C charging cable + Unifying receiver + Bluetooth, three connection methods. 7. 57 degree vertical angle, ergonomic and comfortable. 8. The rubber-textured surface provides a firm grip and a natural touch. Parameters: 1. Battery life: It can be used for up to 4 months after being fully charged (the battery power supply may vary depending on usage). 2. Battery: Rechargeable lithium-ion battery (240mAh). 3. Number of buttons: 4. 4. Wireless operating distance: about 10 meters. 5. Wireless technology: 2.4GHz wireless technology. 6. Requirements: Bluetooth. Windows 7810 or higher, Mac OS X 10.13.6 or higher. USB port. 7. Mouse size: length about 120mm, width about 79mm, height about 78.5mm. 8. Mouse weight: about 135g. 9. Receiver size: about 18.4mm long, about 14.4mm wide, and about 6.6mm high. 10. Receiver weight: approx. 2g.