Wireless mouse for both left and right-handed users. Wireless connection via 2.4 GHz USB-A receiver (up to 10 m range). Comfortable shape suitable for both right and left-handed users. Mechanical scroll wheel for speed and precision while scrolling. LED indicator for low battery, showing when the battery needs to be replaced. DPI settings for mouse speed (1000, 1600 (default), 2400, 4000). Up to 36 months of battery life with a single AA battery. USB receiver for wireless convenience. Enjoy plenty of freedom of movement without the hassle of tangled cables: USB wireless input devices connect wirelessly to the receiver, which you plug into a free USB port. Wireless convenience: Bluetooth connection. Enjoy plenty of freedom of movement without the hassle of tangled cables: This input device establishes a wireless direct connection to your Bluetooth-enabled computer. Unlike other wireless devices, it does not require a USB receiver, keeping your USB ports free for other peripherals.