The Hama EWM-500L is a wireless ergonomic vertical 7-button multi-device mouse with a scroll wheel. With its whisper-quiet buttons, it's ideal for the office or working from home. With AI assistant and browser buttons 10 m range Standby mode after 5 minutes of inactivity USB receiver can be stored inside the mouse to save space With on/off switch System requirements: Windows 10/11 (all features available, Assist key: latest version of Windows 11 and installed Microsoft Copilot app), Includes: 1 x USB-A receiver, 1 x Mignon Battery (AA)