SANWA Bluetooth + 2.4G Wireless Ergonomic Mouse, 3 Devices Vertical Computer Mice, Silent Click, Programmable Mouse, 800-1600 DPI, Compatible with PC, Mac, Laptop, Windows, Android, 20° Tilt Angle - SANWA SUPPLY, GMADBT9

• ERGONOMIC DESIGN - Places your hand in a natural wrist & arm position for smoother movement and less muscle tension. Comfortable finger rests just fit in the palm of your hand. Two height types are available for you to choose from 20° low type and 25° high type. If you like the feeling of holding the mouse by hand, it is recommended that you choose the high type. If you want the finger to move flexibly when holding the mouse, it is recommended that you choose the low type. EASY TO PROGRAM - Install the SANWA Utility onto your computer to configure the Trackball Mouse's buttons. It gives you easy access to assign mouse buttons for several types of functions, such as shortcuts, launch browser, volume up & etc. Bring more convenience and efficiency to your work and daily use. ADJUSTABLE DPI - Switch between DPI levels 800/1200/1600/2400 to adjust mouse responsiveness depending on your needs. And excellent Blue LED tracking technology, enabling you to use the mouse on a wide range of surfaces. Stable connection, precise tracking, fast data transmission speed with this SANWA mouse. SOUNDLESS CLICKING AND ADVANCED ENERGY - Saving Chip - Both left and right buttons are silent, saving you from the sharp clicking noises. You can enjoy your leisure or working time without bothering other people around you. Multi-stage power saving mode, Auto sleeping function, Mouse will be in sleeping mode if no use for a period of time to save energy. Please press any button to wake it up. Bluetooth5.0 & 2.4GHZ /TYPE-C AND RECHARGEABLE BATTERY. - TThe bottom groove of the mouse is equipped with 2.4GHz wireless USB receiver and Type-c receiver. The mouse has a built-in rechargeable battery and a complimentary charging cable, so there is no need to buy dry batteries, which are environmentally friendly and economical.Compatible with most systems including Windows 11 / 10 / 8.1 / 8 / 7, XP, Vista & macOS & Linux. Fit for Notebook, PC, Laptop, Computer, MacBook, Chromebook, Surface.