Logitech Pebble M350s Graphite Bluetooth Mouse

Buttons Number of Buttons: 3 (Left/Right-click, Scroll-wheel with middle click) Customizable button with Logi Options+ App: 1 (scroll wheel with middle click) Customization app: Supported by Logi Options+ App on Windows and macOS Sensor Technology: High-precision optical tracking DPI range: 400-4000 dpi (Fully adjustable with 100DPI increments) Nominal value: 1000 dpi Connectivity Connection Type: Bluetooth Low Energy Technology Connection type support: Compatible with Logi Bolt USB receiver (not included) Wireless range: 32.8 ft (10 m) Battery 1 AA battery (Alkaline Battery); On/off power button Battery life: 24 months Connect / Power: On/Off Switch