Logitech Ergo M575 Wireless mouse Meet ERGO M575 - a wireless trackball with easy thumb control. Forget about sliding around a mouse or moving your arm to move the cursor. The ergonomic sculpted shape of ERGO M575 minimises movement and maximises comfort while keeping your hand and arm relaxed, also making it perfect for tight workspaces and busy desks. With two ways to connect - via Bluetooth Low Energy or the USB receiver - the trackball provides you a powerful, stable signal with a 10-metre (33-ft) range.* A single AA battery lasts up to 24 months with the included Unifying USB receiver and up to 20 months with Bluetooth Low Energy.* *Wireless range and battery life may vary depending on user and computing conditions. Computing Accessory Type: Keyboards and Mice Depth: 13.47 CM MINIMISE MOVEMENT, MAXIMISE COMFORT – The sculpted ergonomic shape naturally fits your hand. No need to move your arm around to move the cursor. EASY THUMB CONTROL FOR PRECISE TRACKING – You get smooth cursor control on any surface with precise cursor movement and ultra-low power consumption. WORK BETTER – EVEN IN TIGHT SPACES – As the trackball doesn’t move, it’s perfect for tight workspaces and busy desks. 2 WAYS TO CONNECT AND MULTI-OS – Connect simply with Bluetooth® or the USB receiver and never worry about drop-offs or lag up to 10 metres away. A DESIGN CHOICE YOU’LL FEEL GOOD ABOUT – With Swiss engineering, ERGO M575 is durable and reliable. It also includes post-consumer recycled plastic. UPTO 24-MONTH BATTERY LIFE- A single AA battery lasts up to 24 months with included Unifying USB receiver and up to 20 months with Bluetooth®. CONVENIENT CONTROLS – Moving between documents or browsing your favourite websites is easy with large, easy-to-reach Back/Forward buttons. Height: 4.58 CM Width: 10.09 CM