Work in comfort all day with this premium wireless ergonomic mouse. Navigate precisely with detent scrolling and access your most-used features with two programmable buttons. Features an ergonomic design that promotes a neutral hand position for all-day comfort. Enjoy long battery life, holding a charge for up to 15 months. Connect to up to three devices and switch seamlessly between them. The natural hand position is enhanced by a soft, easy-to-grip thumb rest for added comfort. Smooth and precise navigation is provided by a machined aluminum scroll wheel, teflon base, and precise tracking sensor, allowing for easy use on a variety of surfaces. The light, durable design features seamless finishes in a variety of colors. Connectivity: Bluetooth Low Energy (BLE) 5.0, 2.4 GHz frequency band. Buttons: 4 pressed buttons with a scroll wheel. Device interface: Bluetooth. Purpose: Office. Ergonomic design: Yes, promotes a natural hand position. Wireless range: 10 m. Battery type: AAA, 2 batteries supported, lasts up to 15 months. Power source: Batteries. Dimensions: 118.2 x 76.3 x 42.4 mm. Weight: 91 g.