SANWA 57° Ergonomic Vertical Mouse — LED Screen & Rotary Knob, 5 Programmable Buttons, 4-Device Connect (2.4G/Bluetooth/Wired), 800-2400 DPI, Rechargeable — Windows/Mac/PC/Laptop

Natural 57° ergonomic shape designed to encourage a handshake grip that reduces wrist pain, finger numbness and forearm strain for more comfortable long sessions. Integrated LED screen, a rotary knob and a central switch let you toggle modes and make precise adjustments by rotating the knob. The display shows DPI, connection channel, power and connection status, operating system and more. The knob and buttons support Multi Task Window Switch, Web Page Switch, Zoom In/Out, Volume and Screen Brightness Adjustment in addition to standard control functions. Connectivity includes four channels: 2.4G wireless via USB-A receiver, dual Bluetooth 5.0 channels, and USB-C wired plug-and-play. The mouse can pair and switch among up to three devices (laptops, desktops, tablets) when using 2.4G or Bluetooth modes — note that switching is disabled while the mouse is connected by wire. Features 5 programmable buttons, adjustable 800–2400 DPI and a rechargeable battery, and is compatible with Windows, Mac, laptops and PCs.