The Hama WM-400 is a wireless ergonomic 4-button mouse with a scroll wheel. With its whisper-quiet buttons, it's ideal for the office or working from home. Thanks to its ergonomic shape, the wireless mouse fits perfectly in the right hand, ensuring comfortable working conditions. With a browser button 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 Includes: 1 x USB-A receiver, 2 x Micro Battery (AAA)