Ergonomic Vertical Mouse "EWM-500R," Wireless, Optical, 7 Buttons, Black Comfortable, precise, and silent: This vertical, ergonomic mouse allows right-handed users to work comfortably and pain-free on a PC or laptop-wireless for even more flexibility Vertical Mouse for Ergonomic Work Say goodbye to mouse arm: This ergonomic mouse supports a natural angle between the hand and wrist at an ergonomic workstation, thereby preventing shoulder pain, tendonitis, and wrist pain. AI Assistant for Many Programs Be more productive with artificial intelligence: The Assist button activates the cross-program AI assistant Stowable USB Receiver A permanent home: The stowable USB receiver can be stored inside the mouse housing to save space Whisper-quiet buttons Quiet mouse with no clicking noise: Whisper-quiet buttons enable undisturbed and relaxed work with the wireless mouse Browser buttons Convenient side buttons: The PC mouse’s browser buttons support the forward/back functions for easy navigation, e.g., in web browsers, Outlook, etc. Product information: