Silent Bluetooth Vertical Mouse - Wireless Optical Ergonomic Mouse w/Adjustable Sensitivity

View this product on Amazon Bluetooth wireless connection - No USB dongle required! Compatible with Windows, Mac, Android, iOS, Linux (to use this mouse with an iPhone or iPad you must update to iOS 13 or above)  Number of Buttons: 6 (plus scroll wheel), all silent, Powered by 2xAAA batteries (included) Adjustable DPI/sensitivity button, Bluetooth pairing button, Low battery indicator, Next/Last Page (for web browsing) Adjustable DPI: 800 - 1200 - 1600 DPI Polling Rate: 125 Hz Ergonomically designed to reduce stress and discomfort associated with overuse in your hands, wrist, elbows, forearms, and shoulders by maintaining a neutral "handshake" grip. Dimensions: 4.7" (L) x 2.7" (W) x 2.6" (H), Weight: 4.2 oz Reduce Pain in your Wrists, Hands, Elbows, and Forearms Our ergonomic vertical mouse is hand-sculpted to fit in your hand for daily use in the office, classroom, or at home Our mouse maintains a neutral "handshake" grip, keeping your arm in a comfortable position that will pre